Merge branch 'linus' into locking/core, to resolve conflicts

Conflicts:
	include/linux/compiler-clang.h
	include/linux/compiler-gcc.h
	include/linux/compiler-intel.h
	include/uapi/linux/stddef.h

Signed-off-by: Ingo Molnar <mingo@kernel.org>

87 files changed, 98 insertions, 15 deletions

diff --git a/drivers/scsi/53c700.h b/drivers/scsi/53c700.h
index f34c916b95bc..0c9a100af667 100644
--- a/drivers/scsi/53c700.h
+++ b/drivers/scsi/53c700.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* -*- mode: c; c-basic-offset: 8 -*- */
 
 /* Driver for 53c700 and 53c700-66 chips from NCR and Symbios
diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile
index 93dbe58c47c8..1639bf8b1ab6 100644
--- a/drivers/scsi/Makefile
+++ b/drivers/scsi/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for linux/drivers/scsi
 #
diff --git a/drivers/scsi/NCR5380.c b/drivers/scsi/NCR5380.c
index 8a0812221d72..777b0222d021 100644
--- a/drivers/scsi/NCR5380.c
+++ b/drivers/scsi/NCR5380.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * NCR 5380 generic driver routines.  These should make it *trivial*
  * to implement 5380 SCSI drivers under Linux with a non-trantor
diff --git a/drivers/scsi/NCR5380.h b/drivers/scsi/NCR5380.h
index d78f0957d865..31096a0b0fdd 100644
--- a/drivers/scsi/NCR5380.h
+++ b/drivers/scsi/NCR5380.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* 
  * NCR 5380 defines
  *
diff --git a/drivers/scsi/NCR_D700.h b/drivers/scsi/NCR_D700.h
index f167af6bd2af..eb675d782ef6 100644
--- a/drivers/scsi/NCR_D700.h
+++ b/drivers/scsi/NCR_D700.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* -*- mode: c; c-basic-offset: 8 -*- */
 
 /* NCR Dual 700 MCA SCSI Driver
diff --git a/drivers/scsi/NCR_Q720.h b/drivers/scsi/NCR_Q720.h
index 7b9209008187..d5f46cdb736e 100644
--- a/drivers/scsi/NCR_Q720.h
+++ b/drivers/scsi/NCR_Q720.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* -*- mode: c; c-basic-offset: 8 -*- */
 
 /* NCR Quad 720 MCA SCSI Driver
diff --git a/drivers/scsi/a2091.h b/drivers/scsi/a2091.h
index 794b8e65c711..8d8a4074a570 100644
--- a/drivers/scsi/a2091.h
+++ b/drivers/scsi/a2091.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef A2091_H
 #define A2091_H
 
diff --git a/drivers/scsi/a3000.h b/drivers/scsi/a3000.h
index 49db4a335aab..5cb3e7535281 100644
--- a/drivers/scsi/a3000.h
+++ b/drivers/scsi/a3000.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef A3000_H
 #define A3000_H
 
diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c
index 97d269f16888..1bc623ad3faf 100644
--- a/drivers/scsi/aacraid/comminit.c
+++ b/drivers/scsi/aacraid/comminit.c
@@ -302,9 +302,11 @@ int aac_send_shutdown(struct aac_dev * dev)
 		return -ENOMEM;
 	aac_fib_init(fibctx);
 
-	mutex_lock(&dev->ioctl_mutex);
-	dev->adapter_shutdown = 1;
-	mutex_unlock(&dev->ioctl_mutex);
+	if (!dev->adapter_shutdown) {
+		mutex_lock(&dev->ioctl_mutex);
+		dev->adapter_shutdown = 1;
+		mutex_unlock(&dev->ioctl_mutex);
+	}
 
 	cmd = (struct aac_close *) fib_data(fibctx);
 	cmd->command = cpu_to_le32(VM_CloseAll);
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index 62beb2596466..c9252b138c1f 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -1551,8 +1551,9 @@ static void __aac_shutdown(struct aac_dev * aac)
 {
 	int i;
 
+	mutex_lock(&aac->ioctl_mutex);
 	aac->adapter_shutdown = 1;
-	aac_send_shutdown(aac);
+	mutex_unlock(&aac->ioctl_mutex);
 
 	if (aac->aif_thread) {
 		int i;
@@ -1565,7 +1566,11 @@ static void __aac_shutdown(struct aac_dev * aac)
 		}
 		kthread_stop(aac->thread);
 	}
+
+	aac_send_shutdown(aac);
+
 	aac_adapter_disable_int(aac);
+
 	if (aac_is_src(aac)) {
 		if (aac->max_msix > 1) {
 			for (i = 0; i < aac->max_msix; i++) {
diff --git a/drivers/scsi/aha152x.h b/drivers/scsi/aha152x.h
index ac4bfa438bf2..efd01877d02b 100644
--- a/drivers/scsi/aha152x.h
+++ b/drivers/scsi/aha152x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _AHA152X_H
 #define _AHA152X_H
 
diff --git a/drivers/scsi/aha1542.h b/drivers/scsi/aha1542.h
index 0fe9bae1b3d1..f5b0d210fb3c 100644
--- a/drivers/scsi/aha1542.h
+++ b/drivers/scsi/aha1542.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _AHA1542_H_
 #define _AHA1542_H_
 
diff --git a/drivers/scsi/aha1740.h b/drivers/scsi/aha1740.h
index b0c5603461ca..dfdaa4d3ea4e 100644
--- a/drivers/scsi/aha1740.h
+++ b/drivers/scsi/aha1740.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _AHA1740_H
 
 /* $Id$
diff --git a/drivers/scsi/aic7xxx/Makefile b/drivers/scsi/aic7xxx/Makefile
index b03ba0df7a83..c15be2590d1c 100644
--- a/drivers/scsi/aic7xxx/Makefile
+++ b/drivers/scsi/aic7xxx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux aic7xxx SCSI driver.
 #
diff --git a/drivers/scsi/aic7xxx/aicasm/Makefile b/drivers/scsi/aic7xxx/aicasm/Makefile
index 45e2d49c1fff..243adb0a38d1 100644
--- a/drivers/scsi/aic7xxx/aicasm/Makefile
+++ b/drivers/scsi/aic7xxx/aicasm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 PROG=	aicasm
 
 OUTDIR ?= ./
diff --git a/drivers/scsi/arm/Makefile b/drivers/scsi/arm/Makefile
index 16c3e86a6b1b..b576d9276f71 100644
--- a/drivers/scsi/arm/Makefile
+++ b/drivers/scsi/arm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for drivers/scsi/arm
 #
diff --git a/drivers/scsi/atp870u.h b/drivers/scsi/atp870u.h
index 9b839b1e895a..75c44399fc88 100644
--- a/drivers/scsi/atp870u.h
+++ b/drivers/scsi/atp870u.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ATP870U_H
 #define _ATP870U_H
 
diff --git a/drivers/scsi/bfa/Makefile b/drivers/scsi/bfa/Makefile
index 475cf925d5e8..442fc3db8f1f 100644
--- a/drivers/scsi/bfa/Makefile
+++ b/drivers/scsi/bfa/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_SCSI_BFA_FC) := bfa.o
 
 bfa-y := bfad.o bfad_im.o bfad_attr.o bfad_debugfs.o bfad_bsg.o
diff --git a/drivers/scsi/constants.c b/drivers/scsi/constants.c
index 6dc96c8dfe75..d4c2a2e4c5d4 100644
--- a/drivers/scsi/constants.c
+++ b/drivers/scsi/constants.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ASCII values for a number of symbolic constants, printing functions,
  * etc.
diff --git a/drivers/scsi/csiostor/Makefile b/drivers/scsi/csiostor/Makefile
index 3681a3fbd499..d047e22eac0d 100644
--- a/drivers/scsi/csiostor/Makefile
+++ b/drivers/scsi/csiostor/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 ## Chelsio FCoE driver
 #
diff --git a/drivers/scsi/dc395x.h b/drivers/scsi/dc395x.h
index fbf35e37701e..5379a936141a 100644
--- a/drivers/scsi/dc395x.h
+++ b/drivers/scsi/dc395x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /************************************************************************/
 /*									*/
 /*	dc395x.h							*/
diff --git a/drivers/scsi/eata_generic.h b/drivers/scsi/eata_generic.h
index 5016af5cf860..1a396c5e7f73 100644
--- a/drivers/scsi/eata_generic.h
+++ b/drivers/scsi/eata_generic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /********************************************************
 * Header file for eata_dma.c and eata_pio.c		*
 * Linux EATA SCSI drivers				*
diff --git a/drivers/scsi/eata_pio.h b/drivers/scsi/eata_pio.h
index 7deeb935748b..5b5e3d13670b 100644
--- a/drivers/scsi/eata_pio.h
+++ b/drivers/scsi/eata_pio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /********************************************************
 * Header file for eata_pio.c Linux EATA-PIO SCSI driver *
 * (c) 1993-96 Michael Neuffer  	                        *
diff --git a/drivers/scsi/esp_scsi.h b/drivers/scsi/esp_scsi.h
index 7e8932ae91f8..8163dca2071b 100644
--- a/drivers/scsi/esp_scsi.h
+++ b/drivers/scsi/esp_scsi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* esp_scsi.h: Defines and structures for the ESP driver.
  *
  * Copyright (C) 2007 David S. Miller (davem@davemloft.net)
diff --git a/drivers/scsi/fcoe/libfcoe.h b/drivers/scsi/fcoe/libfcoe.h
index d3bb16d11401..b8bdfab51a58 100644
--- a/drivers/scsi/fcoe/libfcoe.h
+++ b/drivers/scsi/fcoe/libfcoe.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _FCOE_LIBFCOE_H_
 #define _FCOE_LIBFCOE_H_
 
diff --git a/drivers/scsi/fnic/Makefile b/drivers/scsi/fnic/Makefile
index 383598fadf04..6214a6b2e96d 100644
--- a/drivers/scsi/fnic/Makefile
+++ b/drivers/scsi/fnic/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_FCOE_FNIC) += fnic.o
 
 fnic-y	:= \
diff --git a/drivers/scsi/gdth.h b/drivers/scsi/gdth.h
index 3fd8b83ffbf9..95fc720c1b30 100644
--- a/drivers/scsi/gdth.h
+++ b/drivers/scsi/gdth.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _GDTH_H
 #define _GDTH_H
 
diff --git a/drivers/scsi/gdth_ioctl.h b/drivers/scsi/gdth_ioctl.h
index b004c6165887..4c91894ac244 100644
--- a/drivers/scsi/gdth_ioctl.h
+++ b/drivers/scsi/gdth_ioctl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _GDTH_IOCTL_H
 #define _GDTH_IOCTL_H
 
diff --git a/drivers/scsi/gdth_proc.c b/drivers/scsi/gdth_proc.c
index d08b2716752c..20add49cdd32 100644
--- a/drivers/scsi/gdth_proc.c
+++ b/drivers/scsi/gdth_proc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* gdth_proc.c 
  * $Id: gdth_proc.c,v 1.43 2006/01/11 16:15:00 achim Exp $
  */
diff --git a/drivers/scsi/gdth_proc.h b/drivers/scsi/gdth_proc.h
index aaa618198972..d7d0aa283695 100644
--- a/drivers/scsi/gdth_proc.h
+++ b/drivers/scsi/gdth_proc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _GDTH_PROC_H
 #define _GDTH_PROC_H
 
diff --git a/drivers/scsi/gvp11.h b/drivers/scsi/gvp11.h
index 852913cde5dd..61c1a3584461 100644
--- a/drivers/scsi/gvp11.h
+++ b/drivers/scsi/gvp11.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef GVP11_H
 
 /* $Id: gvp11.h,v 1.4 1997/01/19 23:07:12 davem Exp $
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 9abe81021484..4ed3d26ffdde 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -4091,7 +4091,7 @@ static int hpsa_set_local_logical_count(struct ctlr_info *h,
 	memset(id_ctlr, 0, sizeof(*id_ctlr));
 	rc = hpsa_bmic_id_controller(h, id_ctlr, sizeof(*id_ctlr));
 	if (!rc)
-		if (id_ctlr->configured_logical_drive_count < 256)
+		if (id_ctlr->configured_logical_drive_count < 255)
 			*nlocals = id_ctlr->configured_logical_drive_count;
 		else
 			*nlocals = le16_to_cpu(
diff --git a/drivers/scsi/ibmvscsi_tgt/libsrp.h b/drivers/scsi/ibmvscsi_tgt/libsrp.h
index 9fec55b36322..832606ae2908 100644
--- a/drivers/scsi/ibmvscsi_tgt/libsrp.h
+++ b/drivers/scsi/ibmvscsi_tgt/libsrp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LIBSRP_H__
 #define __LIBSRP_H__
 
diff --git a/drivers/scsi/imm.h b/drivers/scsi/imm.h
index 8f6f32fc61ff..7f2bb35b1b87 100644
--- a/drivers/scsi/imm.h
+++ b/drivers/scsi/imm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 /*  Driver for the Iomega MatchMaker parallel port SCSI HBA embedded in 
  * the Iomega ZIP Plus drive
diff --git a/drivers/scsi/isci/Makefile b/drivers/scsi/isci/Makefile
index 3359e10e0d8f..da6f04cae272 100644
--- a/drivers/scsi/isci/Makefile
+++ b/drivers/scsi/isci/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_SCSI_ISCI) += isci.o
 isci-objs := init.o phy.o request.o \
 	     remote_device.o port.o \
diff --git a/drivers/scsi/libfc/Makefile b/drivers/scsi/libfc/Makefile
index 4bb23ac86a5c..65396f86c307 100644
--- a/drivers/scsi/libfc/Makefile
+++ b/drivers/scsi/libfc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # $Id: Makefile
 
 obj-$(CONFIG_LIBFC) += libfc.o
diff --git a/drivers/scsi/mac53c94.h b/drivers/scsi/mac53c94.h
index 1ad24e4f0a85..5df6e81f78a8 100644
--- a/drivers/scsi/mac53c94.h
+++ b/drivers/scsi/mac53c94.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * mac53c94.h: definitions for the driver for the 53c94 SCSI bus adaptor
  * found on Power Macintosh computers, controlling the external SCSI chain.
diff --git a/drivers/scsi/megaraid.h b/drivers/scsi/megaraid.h
index 508d65e5a518..21eba2fd465a 100644
--- a/drivers/scsi/megaraid.h
+++ b/drivers/scsi/megaraid.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MEGARAID_H__
 #define __MEGARAID_H__
 
diff --git a/drivers/scsi/megaraid/Makefile b/drivers/scsi/megaraid/Makefile
index 5826ed509e3e..6e74d21227a5 100644
--- a/drivers/scsi/megaraid/Makefile
+++ b/drivers/scsi/megaraid/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_MEGARAID_MM)	+= megaraid_mm.o
 obj-$(CONFIG_MEGARAID_MAILBOX)	+= megaraid_mbox.o
 obj-$(CONFIG_MEGARAID_SAS)	+= megaraid_sas.o
diff --git a/drivers/scsi/mesh.h b/drivers/scsi/mesh.h
index 4fdb81fa55e2..ee53c05ace95 100644
--- a/drivers/scsi/mesh.h
+++ b/drivers/scsi/mesh.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * mesh.h: definitions for the driver for the MESH SCSI bus adaptor
  * (Macintosh Enhanced SCSI Hardware) found on Power Macintosh computers.
diff --git a/drivers/scsi/mpt3sas/Makefile b/drivers/scsi/mpt3sas/Makefile
index b7643f596c1e..84fb3fbdb0ca 100644
--- a/drivers/scsi/mpt3sas/Makefile
+++ b/drivers/scsi/mpt3sas/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # mpt3sas makefile
 obj-$(CONFIG_SCSI_MPT3SAS) += mpt3sas.o
 mpt3sas-y +=  mpt3sas_base.o     \
diff --git a/drivers/scsi/mpt3sas/mpi/mpi2.h b/drivers/scsi/mpt3sas/mpi/mpi2.h
index a9a659fc2812..2608011cc7f1 100644
--- a/drivers/scsi/mpt3sas/mpi/mpi2.h
+++ b/drivers/scsi/mpt3sas/mpi/mpi2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright 2000-2015 Avago Technologies.  All rights reserved.
  *
diff --git a/drivers/scsi/mpt3sas/mpi/mpi2_cnfg.h b/drivers/scsi/mpt3sas/mpi/mpi2_cnfg.h
index fa61baf7c74d..036c9cf61032 100644
--- a/drivers/scsi/mpt3sas/mpi/mpi2_cnfg.h
+++ b/drivers/scsi/mpt3sas/mpi/mpi2_cnfg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright 2000-2015 Avago Technologies.  All rights reserved.
  *
diff --git a/drivers/scsi/mpt3sas/mpi/mpi2_init.h b/drivers/scsi/mpt3sas/mpi/mpi2_init.h
index bba56b61d36c..38b2c879bf0f 100644
--- a/drivers/scsi/mpt3sas/mpi/mpi2_init.h
+++ b/drivers/scsi/mpt3sas/mpi/mpi2_init.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright 2000-2015 Avago Technologies.  All rights reserved.
  *
diff --git a/drivers/scsi/mpt3sas/mpi/mpi2_ioc.h b/drivers/scsi/mpt3sas/mpi/mpi2_ioc.h
index af4be403582e..673cf05f94dc 100644
--- a/drivers/scsi/mpt3sas/mpi/mpi2_ioc.h
+++ b/drivers/scsi/mpt3sas/mpi/mpi2_ioc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright 2000-2015 Avago Technologies.  All rights reserved.
  *
diff --git a/drivers/scsi/mpt3sas/mpi/mpi2_raid.h b/drivers/scsi/mpt3sas/mpi/mpi2_raid.h
index 1c0eeeeb5eaf..b9bb1c178f12 100644
--- a/drivers/scsi/mpt3sas/mpi/mpi2_raid.h
+++ b/drivers/scsi/mpt3sas/mpi/mpi2_raid.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright 2000-2014 Avago Technologies.  All rights reserved.
  *
diff --git a/drivers/scsi/mpt3sas/mpi/mpi2_sas.h b/drivers/scsi/mpt3sas/mpi/mpi2_sas.h
index c10c2c02a945..afa17ff246b4 100644
--- a/drivers/scsi/mpt3sas/mpi/mpi2_sas.h
+++ b/drivers/scsi/mpt3sas/mpi/mpi2_sas.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright 2000-2015 Avago Technologies.  All rights reserved.
  *
diff --git a/drivers/scsi/mpt3sas/mpi/mpi2_tool.h b/drivers/scsi/mpt3sas/mpi/mpi2_tool.h
index 5f9289a1166f..593765a4ddb8 100644
--- a/drivers/scsi/mpt3sas/mpi/mpi2_tool.h
+++ b/drivers/scsi/mpt3sas/mpi/mpi2_tool.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright 2000-2014 Avago Technologies.  All rights reserved.
  *
diff --git a/drivers/scsi/mpt3sas/mpi/mpi2_type.h b/drivers/scsi/mpt3sas/mpi/mpi2_type.h
index 92a81abc2c31..36494439a419 100644
--- a/drivers/scsi/mpt3sas/mpi/mpi2_type.h
+++ b/drivers/scsi/mpt3sas/mpi/mpi2_type.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Copyright 2000-2014 Avago Technologies.  All rights reserved.
  *
diff --git a/drivers/scsi/mvme147.c b/drivers/scsi/mvme147.c
index 4f515700bdc3..e6b2b681fda3 100644
--- a/drivers/scsi/mvme147.c
+++ b/drivers/scsi/mvme147.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/mm.h>
 #include <linux/blkdev.h>
diff --git a/drivers/scsi/mvme147.h b/drivers/scsi/mvme147.h
index bfd4566ef050..f75ff58ddcd0 100644
--- a/drivers/scsi/mvme147.h
+++ b/drivers/scsi/mvme147.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef MVME147_H
 
 /* $Id: mvme147.h,v 1.4 1997/01/19 23:07:10 davem Exp $
diff --git a/drivers/scsi/osst.h b/drivers/scsi/osst.h
index b4fea98ba276..b90ae280853d 100644
--- a/drivers/scsi/osst.h
+++ b/drivers/scsi/osst.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	$Header: /cvsroot/osst/Driver/osst.h,v 1.16 2005/01/01 21:13:35 wriede Exp $
  */
diff --git a/drivers/scsi/osst_detect.h b/drivers/scsi/osst_detect.h
index 21717d0e6974..83c1d4fb11db 100644
--- a/drivers/scsi/osst_detect.h
+++ b/drivers/scsi/osst_detect.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #define SIGS_FROM_OSST \
        {"OnStream", "SC-", "", "osst"}, \
        {"OnStream", "DI-", "", "osst"}, \
diff --git a/drivers/scsi/osst_options.h b/drivers/scsi/osst_options.h
index ff1e610946ed..a6a389b88876 100644
--- a/drivers/scsi/osst_options.h
+++ b/drivers/scsi/osst_options.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
    The compile-time configurable defaults for the Linux SCSI tape driver.
 
diff --git a/drivers/scsi/pcmcia/Makefile b/drivers/scsi/pcmcia/Makefile
index 683bf148b5b7..44eea2d43143 100644
--- a/drivers/scsi/pcmcia/Makefile
+++ b/drivers/scsi/pcmcia/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 ccflags-y		:= -Idrivers/scsi
 
diff --git a/drivers/scsi/pm8001/Makefile b/drivers/scsi/pm8001/Makefile
index ce4cd87c7c66..02b7338999cc 100644
--- a/drivers/scsi/pm8001/Makefile
+++ b/drivers/scsi/pm8001/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Kernel configuration file for the PM8001 SAS/SATA 8x6G based HBA driver
 #
diff --git a/drivers/scsi/ppa.h b/drivers/scsi/ppa.h
index ba8021427b88..6a1f8a2d70eb 100644
--- a/drivers/scsi/ppa.h
+++ b/drivers/scsi/ppa.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*  Driver for the PPA3 parallel port SCSI HBA embedded in 
  * the Iomega ZIP drive
  * 
diff --git a/drivers/scsi/qla2xxx/Makefile b/drivers/scsi/qla2xxx/Makefile
index 0b767a0bb308..17d5bc1cc56b 100644
--- a/drivers/scsi/qla2xxx/Makefile
+++ b/drivers/scsi/qla2xxx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 qla2xxx-y := qla_os.o qla_init.o qla_mbx.o qla_iocb.o qla_isr.o qla_gs.o \
 		qla_dbg.o qla_sup.o qla_attr.o qla_mid.o qla_dfs.o qla_bsg.o \
 		qla_nx.o qla_mr.o qla_nx2.o qla_target.o qla_tmpl.o qla_nvme.o
diff --git a/drivers/scsi/qla2xxx/qla_devtbl.h b/drivers/scsi/qla2xxx/qla_devtbl.h
index d6ea69df7c5c..ffb9694be748 100644
--- a/drivers/scsi/qla2xxx/qla_devtbl.h
+++ b/drivers/scsi/qla2xxx/qla_devtbl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #define QLA_MODEL_NAMES		0x5C
 
 /*
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 937209805baf..dce42a416876 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -3061,6 +3061,8 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	    host->max_cmd_len, host->max_channel, host->max_lun,
 	    host->transportt, sht->vendor_id);
 
+	INIT_WORK(&base_vha->iocb_work, qla2x00_iocb_work_fn);
+
 	/* Set up the irqs */
 	ret = qla2x00_request_irqs(ha, rsp);
 	if (ret)
@@ -3175,8 +3177,6 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	    host->can_queue, base_vha->req,
 	    base_vha->mgmt_svr_loop_id, host->sg_tablesize);
 
-	INIT_WORK(&base_vha->iocb_work, qla2x00_iocb_work_fn);
-
 	if (ha->mqenable) {
 		bool mq = false;
 		bool startit = false;
@@ -3212,6 +3212,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 		ql_log(ql_log_fatal, base_vha, 0x00ed,
 		    "Failed to start DPC thread.\n");
 		ret = PTR_ERR(ha->dpc_thread);
+		ha->dpc_thread = NULL;
 		goto probe_failed;
 	}
 	ql_dbg(ql_dbg_init, base_vha, 0x00ee,
diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.h b/drivers/scsi/qla2xxx/tcm_qla2xxx.h
index 071035dfa99a..7550ba2831c3 100644
--- a/drivers/scsi/qla2xxx/tcm_qla2xxx.h
+++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <target/target_core_base.h>
 #include <linux/btree.h>
 
diff --git a/drivers/scsi/qlogicfas408.h b/drivers/scsi/qlogicfas408.h
index f6b1216af79f..a971db11d293 100644
--- a/drivers/scsi/qlogicfas408.h
+++ b/drivers/scsi/qlogicfas408.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* to be used by qlogicfas and qlogic_cs */
 #ifndef __QLOGICFAS408_H
 #define __QLOGICFAS408_H
diff --git a/drivers/scsi/qlogicpti.h b/drivers/scsi/qlogicpti.h
index 892a0b058b99..884ad72ade57 100644
--- a/drivers/scsi/qlogicpti.h
+++ b/drivers/scsi/qlogicpti.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* qlogicpti.h: Performance Technologies QlogicISP sbus card defines.
  *
  * Copyright (C) 1996 David S. Miller (davem@caipfs.rutgers.edu)
diff --git a/drivers/scsi/scsi.h b/drivers/scsi/scsi.h
index d5a55fae60e0..6dcc4c685d1d 100644
--- a/drivers/scsi/scsi.h
+++ b/drivers/scsi/scsi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  scsi.h Copyright (C) 1992 Drew Eckhardt 
  *         Copyright (C) 1993, 1994, 1995, 1998, 1999 Eric Youngdale
diff --git a/drivers/scsi/scsi_common.c b/drivers/scsi/scsi_common.c
index a75673bb82b3..40bc616cf8ab 100644
--- a/drivers/scsi/scsi_common.c
+++ b/drivers/scsi/scsi_common.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * SCSI functions used by both the initiator and the target code.
  */
diff --git a/drivers/scsi/scsi_debugfs.c b/drivers/scsi/scsi_debugfs.c
index 5e9755008aed..01f08c03f2c1 100644
--- a/drivers/scsi/scsi_debugfs.c
+++ b/drivers/scsi/scsi_debugfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/seq_file.h>
 #include <scsi/scsi_cmnd.h>
 #include <scsi/scsi_dbg.h>
diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c
index 28fea83ae2fe..6bf43d94cdc0 100644
--- a/drivers/scsi/scsi_devinfo.c
+++ b/drivers/scsi/scsi_devinfo.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #include <linux/blkdev.h>
 #include <linux/init.h>
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 9cf6a80fe297..ad3ea24f0885 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1379,8 +1379,6 @@ static int scsi_prep_fn(struct request_queue *q, struct request *req)
 
 	ret = scsi_setup_cmnd(sdev, req);
 out:
-	if (ret != BLKPREP_OK)
-		cmd->flags &= ~SCMD_INITIALIZED;
 	return scsi_prep_return(q, req, ret);
 }
 
@@ -1900,7 +1898,6 @@ static int scsi_mq_prep_fn(struct request *req)
 	struct scsi_device *sdev = req->q->queuedata;
 	struct Scsi_Host *shost = sdev->host;
 	struct scatterlist *sg;
-	int ret;
 
 	scsi_init_command(sdev, cmd);
 
@@ -1934,10 +1931,7 @@ static int scsi_mq_prep_fn(struct request *req)
 
 	blk_mq_start_request(req);
 
-	ret = scsi_setup_cmnd(sdev, req);
-	if (ret != BLK_STS_OK)
-		cmd->flags &= ~SCMD_INITIALIZED;
-	return ret;
+	return scsi_setup_cmnd(sdev, req);
 }
 
 static void scsi_mq_done(struct scsi_cmnd *cmd)
diff --git a/drivers/scsi/scsi_lib_dma.c b/drivers/scsi/scsi_lib_dma.c
index 2ac3f3975f78..5723915275ad 100644
--- a/drivers/scsi/scsi_lib_dma.c
+++ b/drivers/scsi/scsi_lib_dma.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * SCSI library functions depending on DMA
  */
diff --git a/drivers/scsi/scsi_logging.h b/drivers/scsi/scsi_logging.h
index 7fe64a847143..6907c924df72 100644
--- a/drivers/scsi/scsi_logging.h
+++ b/drivers/scsi/scsi_logging.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SCSI_LOGGING_H
 #define _SCSI_LOGGING_H
 
diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h
index 5c6d016a5ae9..d7669caa9893 100644
--- a/drivers/scsi/scsi_priv.h
+++ b/drivers/scsi/scsi_priv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SCSI_PRIV_H
 #define _SCSI_PRIV_H
 
diff --git a/drivers/scsi/scsi_proc.c b/drivers/scsi/scsi_proc.c
index 480a597b3877..7f0ceb65c3f3 100644
--- a/drivers/scsi/scsi_proc.c
+++ b/drivers/scsi/scsi_proc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/drivers/scsi/scsi_proc.c
  *
diff --git a/drivers/scsi/scsi_sas_internal.h b/drivers/scsi/scsi_sas_internal.h
index e659912498bd..82fd548c5eee 100644
--- a/drivers/scsi/scsi_sas_internal.h
+++ b/drivers/scsi/scsi_sas_internal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SCSI_SAS_INTERNAL_H
 #define _SCSI_SAS_INTERNAL_H
 
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 15590a063ad9..40124648a07b 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * scsi_scan.c
  *
diff --git a/drivers/scsi/scsi_transport_api.h b/drivers/scsi/scsi_transport_api.h
index 934f0e62bb5c..f917766537c0 100644
--- a/drivers/scsi/scsi_transport_api.h
+++ b/drivers/scsi/scsi_transport_api.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SCSI_TRANSPORT_API_H
 #define _SCSI_TRANSPORT_API_H
 
diff --git a/drivers/scsi/scsicam.c b/drivers/scsi/scsicam.c
index 31273468589c..e969138051c7 100644
--- a/drivers/scsi/scsicam.c
+++ b/drivers/scsi/scsicam.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * scsicam.c - SCSI CAM support functions, use for HDIO_GETGEO, etc.
  *
diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h
index 99c4dde9b6bf..320de758323e 100644
--- a/drivers/scsi/sd.h
+++ b/drivers/scsi/sd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SCSI_DISK_H
 #define _SCSI_DISK_H
 
diff --git a/drivers/scsi/sense_codes.h b/drivers/scsi/sense_codes.h
index e4e1dccd1f2f..201a536688de 100644
--- a/drivers/scsi/sense_codes.h
+++ b/drivers/scsi/sense_codes.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * The canonical list of T10 Additional Sense Codes is available at:
  * http://www.t10.org/lists/asc-num.txt [most recent: 20141221]
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 0419c2298eab..aa28874e8fb9 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -837,7 +837,7 @@ sg_fill_request_table(Sg_fd *sfp, sg_req_info_t *rinfo)
 
 	val = 0;
 	list_for_each_entry(srp, &sfp->rq_list, entry) {
-		if (val > SG_MAX_QUEUE)
+		if (val >= SG_MAX_QUEUE)
 			break;
 		rinfo[val].req_state = srp->done + 1;
 		rinfo[val].problem =
diff --git a/drivers/scsi/snic/Makefile b/drivers/scsi/snic/Makefile
index ef7c0dd47f40..41546e3cb701 100644
--- a/drivers/scsi/snic/Makefile
+++ b/drivers/scsi/snic/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_SCSI_SNIC) += snic.o
 
 snic-y := \
diff --git a/drivers/scsi/sr.h b/drivers/scsi/sr.h
index 1de33719ad8e..a2bb7b8bace5 100644
--- a/drivers/scsi/sr.h
+++ b/drivers/scsi/sr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *      sr.h by David Giller
  *      CD-ROM disk driver header file
diff --git a/drivers/scsi/sr_ioctl.c b/drivers/scsi/sr_ioctl.c
index 4610c8c5693f..2a21f2d48592 100644
--- a/drivers/scsi/sr_ioctl.c
+++ b/drivers/scsi/sr_ioctl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/mm.h>
 #include <linux/fs.h>
diff --git a/drivers/scsi/sr_vendor.c b/drivers/scsi/sr_vendor.c
index 11a238cb2222..e3b0ce25162b 100644
--- a/drivers/scsi/sr_vendor.c
+++ b/drivers/scsi/sr_vendor.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* -*-linux-c-*-
 
  * vendor-specific code for SCSI CD-ROM's goes here.
diff --git a/drivers/scsi/st.h b/drivers/scsi/st.h
index 8c732c8de015..95d2e7a7988d 100644
--- a/drivers/scsi/st.h
+++ b/drivers/scsi/st.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #ifndef _ST_H
 #define _ST_H
diff --git a/drivers/scsi/st_options.h b/drivers/scsi/st_options.h
index d2f947935554..2b6cabd7b6aa 100644
--- a/drivers/scsi/st_options.h
+++ b/drivers/scsi/st_options.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
    The compile-time configurable defaults for the Linux SCSI tape driver.
 
diff --git a/drivers/scsi/ufs/Makefile b/drivers/scsi/ufs/Makefile
index 6e77cb0bfee9..9310c6c83041 100644
--- a/drivers/scsi/ufs/Makefile
+++ b/drivers/scsi/ufs/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # UFSHCD makefile
 obj-$(CONFIG_SCSI_UFS_DWC_TC_PCI) += tc-dwc-g210-pci.o ufshcd-dwc.o tc-dwc-g210.o
 obj-$(CONFIG_SCSI_UFS_DWC_TC_PLATFORM) += tc-dwc-g210-pltfrm.o ufshcd-dwc.o tc-dwc-g210.o
diff --git a/drivers/scsi/wd719x.h b/drivers/scsi/wd719x.h
index 9c6dd45f95f5..0455b1633ca7 100644
--- a/drivers/scsi/wd719x.h
+++ b/drivers/scsi/wd719x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _WD719X_H_
 #define _WD719X_H_