Merge tag 'hyperv-fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux

Pull Hyper-V fixes from Sasha Levin:

 - A few fixes for the userspace hyper-v tools from Adrian Vladu.

 - A fix for the hyper-v MAINTAINERs entry from Lan Tianyu.

 - Fix for SPDX license identifier in the userspace tools from Nishad
   Kamdar.

* tag 'hyperv-fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
  MAINTAINERS: Fix Hyperv vIOMMU driver file name
  tools: hv: Use the correct style for SPDX License Identifier
  tools: hv: fix typos in toolchain
  tools: hv: fix KVP and VSS daemons exit code
  tools: hv: fixed Python pep8/flake8 warnings for lsvmbus

7 files changed, 54 insertions, 41 deletions

diff --git a/MAINTAINERS b/MAINTAINERS
index 14dc54200751..65f7e7f2eb20 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -7460,7 +7460,7 @@ F:	drivers/net/hyperv/
 F:	drivers/scsi/storvsc_drv.c
 F:	drivers/uio/uio_hv_generic.c
 F:	drivers/video/fbdev/hyperv_fb.c
-F:	drivers/iommu/hyperv_iommu.c
+F:	drivers/iommu/hyperv-iommu.c
 F:	net/vmw_vsock/hyperv_transport.c
 F:	include/clocksource/hyperv_timer.h
 F:	include/linux/hyperv.h
diff --git a/drivers/hv/hv_trace.h b/drivers/hv/hv_trace.h
index 999f80a63bff..e70783e33680 100644
--- a/drivers/hv/hv_trace.h
+++ b/drivers/hv/hv_trace.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM hyperv
diff --git a/tools/hv/hv_get_dhcp_info.sh b/tools/hv/hv_get_dhcp_info.sh
index c38686c44656..2f2a3c7df3de 100755
--- a/tools/hv/hv_get_dhcp_info.sh
+++ b/tools/hv/hv_get_dhcp_info.sh
@@ -13,7 +13,7 @@
 #	the script prints the string "Disabled" to stdout.
 #
 # Each Distro is expected to implement this script in a distro specific
-# fashion. For instance on Distros that ship with Network Manager enabled,
+# fashion. For instance, on Distros that ship with Network Manager enabled,
 # this script can be based on the Network Manager APIs for retrieving DHCP
 # information.
 
diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c
index d7e06fe0270e..f5597503c771 100644
--- a/tools/hv/hv_kvp_daemon.c
+++ b/tools/hv/hv_kvp_daemon.c
@@ -700,7 +700,7 @@ static void kvp_get_ipconfig_info(char *if_name,
 
 
 	/*
-	 * Gather the DNS  state.
+	 * Gather the DNS state.
 	 * Since there is no standard way to get this information
 	 * across various distributions of interest; we just invoke
 	 * an external script that needs to be ported across distros
@@ -1051,7 +1051,7 @@ static int parse_ip_val_buffer(char *in_buf, int *offset,
 	char *start;
 
 	/*
-	 * in_buf has sequence of characters that are seperated by
+	 * in_buf has sequence of characters that are separated by
 	 * the character ';'. The last sequence does not have the
 	 * terminating ";" character.
 	 */
@@ -1386,6 +1386,8 @@ int main(int argc, char *argv[])
 			daemonize = 0;
 			break;
 		case 'h':
+			print_usage(argv);
+			exit(0);
 		default:
 			print_usage(argv);
 			exit(EXIT_FAILURE);
@@ -1490,7 +1492,7 @@ int main(int argc, char *argv[])
 		case KVP_OP_GET_IP_INFO:
 			kvp_ip_val = &hv_msg->body.kvp_ip_val;
 
-			error =  kvp_mac_to_ip(kvp_ip_val);
+			error = kvp_mac_to_ip(kvp_ip_val);
 
 			if (error)
 				hv_msg->error = error;
diff --git a/tools/hv/hv_set_ifconfig.sh b/tools/hv/hv_set_ifconfig.sh
index 7ed9f85ef908..d10fe35b7f25 100755
--- a/tools/hv/hv_set_ifconfig.sh
+++ b/tools/hv/hv_set_ifconfig.sh
@@ -12,7 +12,7 @@
 # be used to configure the interface.
 #
 # Each Distro is expected to implement this script in a distro specific
-# fashion. For instance on Distros that ship with Network Manager enabled,
+# fashion. For instance, on Distros that ship with Network Manager enabled,
 # this script can be based on the Network Manager APIs for configuring the
 # interface.
 #
diff --git a/tools/hv/hv_vss_daemon.c b/tools/hv/hv_vss_daemon.c
index efe1e34dd91b..92902a88f671 100644
--- a/tools/hv/hv_vss_daemon.c
+++ b/tools/hv/hv_vss_daemon.c
@@ -42,7 +42,7 @@ static int vss_do_freeze(char *dir, unsigned int cmd)
 	 * If a partition is mounted more than once, only the first
 	 * FREEZE/THAW can succeed and the later ones will get
 	 * EBUSY/EINVAL respectively: there could be 2 cases:
-	 * 1) a user may mount the same partition to differnt directories
+	 * 1) a user may mount the same partition to different directories
 	 *  by mistake or on purpose;
 	 * 2) The subvolume of btrfs appears to have the same partition
 	 * mounted more than once.
@@ -218,6 +218,8 @@ int main(int argc, char *argv[])
 			daemonize = 0;
 			break;
 		case 'h':
+			print_usage(argv);
+			exit(0);
 		default:
 			print_usage(argv);
 			exit(EXIT_FAILURE);
diff --git a/tools/hv/lsvmbus b/tools/hv/lsvmbus
index 55e7374bade0..099f2c44dbed 100644
--- a/tools/hv/lsvmbus
+++ b/tools/hv/lsvmbus
@@ -4,10 +4,10 @@
 import os
 from optparse import OptionParser
 
+help_msg = "print verbose messages. Try -vv, -vvv for  more verbose messages"
 parser = OptionParser()
-parser.add_option("-v", "--verbose", dest="verbose",
-		   help="print verbose messages. Try -vv, -vvv for \
-			more verbose messages", action="count")
+parser.add_option(
+	"-v", "--verbose", dest="verbose", help=help_msg, action="count")
 
 (options, args) = parser.parse_args()
 
@@ -21,27 +21,28 @@ if not os.path.isdir(vmbus_sys_path):
 	exit(-1)
 
 vmbus_dev_dict = {
-	'{0e0b6031-5213-4934-818b-38d90ced39db}' : '[Operating system shutdown]',
-	'{9527e630-d0ae-497b-adce-e80ab0175caf}' : '[Time Synchronization]',
-	'{57164f39-9115-4e78-ab55-382f3bd5422d}' : '[Heartbeat]',
-	'{a9a0f4e7-5a45-4d96-b827-8a841e8c03e6}' : '[Data Exchange]',
-	'{35fa2e29-ea23-4236-96ae-3a6ebacba440}' : '[Backup (volume checkpoint)]',
-	'{34d14be3-dee4-41c8-9ae7-6b174977c192}' : '[Guest services]',
-	'{525074dc-8985-46e2-8057-a307dc18a502}' : '[Dynamic Memory]',
-	'{cfa8b69e-5b4a-4cc0-b98b-8ba1a1f3f95a}' : 'Synthetic mouse',
-	'{f912ad6d-2b17-48ea-bd65-f927a61c7684}' : 'Synthetic keyboard',
-	'{da0a7802-e377-4aac-8e77-0558eb1073f8}' : 'Synthetic framebuffer adapter',
-	'{f8615163-df3e-46c5-913f-f2d2f965ed0e}' : 'Synthetic network adapter',
-	'{32412632-86cb-44a2-9b5c-50d1417354f5}' : 'Synthetic IDE Controller',
-	'{ba6163d9-04a1-4d29-b605-72e2ffb1dc7f}' : 'Synthetic SCSI Controller',
-	'{2f9bcc4a-0069-4af3-b76b-6fd0be528cda}' : 'Synthetic fiber channel adapter',
-	'{8c2eaf3d-32a7-4b09-ab99-bd1f1c86b501}' : 'Synthetic RDMA adapter',
-	'{44c4f61d-4444-4400-9d52-802e27ede19f}' : 'PCI Express pass-through',
-	'{276aacf4-ac15-426c-98dd-7521ad3f01fe}' : '[Reserved system device]',
-	'{f8e65716-3cb3-4a06-9a60-1889c5cccab5}' : '[Reserved system device]',
-	'{3375baf4-9e15-4b30-b765-67acb10d607b}' : '[Reserved system device]',
+	'{0e0b6031-5213-4934-818b-38d90ced39db}': '[Operating system shutdown]',
+	'{9527e630-d0ae-497b-adce-e80ab0175caf}': '[Time Synchronization]',
+	'{57164f39-9115-4e78-ab55-382f3bd5422d}': '[Heartbeat]',
+	'{a9a0f4e7-5a45-4d96-b827-8a841e8c03e6}': '[Data Exchange]',
+	'{35fa2e29-ea23-4236-96ae-3a6ebacba440}': '[Backup (volume checkpoint)]',
+	'{34d14be3-dee4-41c8-9ae7-6b174977c192}': '[Guest services]',
+	'{525074dc-8985-46e2-8057-a307dc18a502}': '[Dynamic Memory]',
+	'{cfa8b69e-5b4a-4cc0-b98b-8ba1a1f3f95a}': 'Synthetic mouse',
+	'{f912ad6d-2b17-48ea-bd65-f927a61c7684}': 'Synthetic keyboard',
+	'{da0a7802-e377-4aac-8e77-0558eb1073f8}': 'Synthetic framebuffer adapter',
+	'{f8615163-df3e-46c5-913f-f2d2f965ed0e}': 'Synthetic network adapter',
+	'{32412632-86cb-44a2-9b5c-50d1417354f5}': 'Synthetic IDE Controller',
+	'{ba6163d9-04a1-4d29-b605-72e2ffb1dc7f}': 'Synthetic SCSI Controller',
+	'{2f9bcc4a-0069-4af3-b76b-6fd0be528cda}': 'Synthetic fiber channel adapter',
+	'{8c2eaf3d-32a7-4b09-ab99-bd1f1c86b501}': 'Synthetic RDMA adapter',
+	'{44c4f61d-4444-4400-9d52-802e27ede19f}': 'PCI Express pass-through',
+	'{276aacf4-ac15-426c-98dd-7521ad3f01fe}': '[Reserved system device]',
+	'{f8e65716-3cb3-4a06-9a60-1889c5cccab5}': '[Reserved system device]',
+	'{3375baf4-9e15-4b30-b765-67acb10d607b}': '[Reserved system device]',
 }
 
+
 def get_vmbus_dev_attr(dev_name, attr):
 	try:
 		f = open('%s/%s/%s' % (vmbus_sys_path, dev_name, attr), 'r')
@@ -52,6 +53,7 @@ def get_vmbus_dev_attr(dev_name, attr):
 
 	return lines
 
+
 class VMBus_Dev:
 	pass
 
@@ -66,12 +68,13 @@ for f in os.listdir(vmbus_sys_path):
 
 	chn_vp_mapping = get_vmbus_dev_attr(f, 'channel_vp_mapping')
 	chn_vp_mapping = [c.strip() for c in chn_vp_mapping]
-	chn_vp_mapping = sorted(chn_vp_mapping,
-		key = lambda c : int(c.split(':')[0]))
+	chn_vp_mapping = sorted(
+		chn_vp_mapping, key=lambda c: int(c.split(':')[0]))
 
-	chn_vp_mapping = ['\tRel_ID=%s, target_cpu=%s' %
-				(c.split(':')[0], c.split(':')[1])
-					for c in chn_vp_mapping]
+	chn_vp_mapping = [
+		'\tRel_ID=%s, target_cpu=%s' %
+		(c.split(':')[0], c.split(':')[1]) for c in chn_vp_mapping
+	]
 	d = VMBus_Dev()
 	d.sysfs_path = '%s/%s' % (vmbus_sys_path, f)
 	d.vmbus_id = vmbus_id
@@ -85,7 +88,7 @@ for f in os.listdir(vmbus_sys_path):
 	vmbus_dev_list.append(d)
 
 
-vmbus_dev_list  = sorted(vmbus_dev_list, key = lambda d : int(d.vmbus_id))
+vmbus_dev_list = sorted(vmbus_dev_list, key=lambda d: int(d.vmbus_id))
 
 format0 = '%2s: %s'
 format1 = '%2s: Class_ID = %s - %s\n%s'
@@ -95,9 +98,15 @@ for d in vmbus_dev_list:
 	if verbose == 0:
 		print(('VMBUS ID ' + format0) % (d.vmbus_id, d.dev_desc))
 	elif verbose == 1:
-		print (('VMBUS ID ' + format1) %	\
-			(d.vmbus_id, d.class_id, d.dev_desc, d.chn_vp_mapping))
+		print(
+			('VMBUS ID ' + format1) %
+			(d.vmbus_id, d.class_id, d.dev_desc, d.chn_vp_mapping)
+		)
 	else:
-		print (('VMBUS ID ' + format2) % \
-			(d.vmbus_id, d.class_id, d.dev_desc, \
-			d.device_id, d.sysfs_path, d.chn_vp_mapping))
+		print(
+			('VMBUS ID ' + format2) %
+			(
+				d.vmbus_id, d.class_id, d.dev_desc,
+				d.device_id, d.sysfs_path, d.chn_vp_mapping
+			)
+		)