Merge tag 'v5.0-rc7' into patchwork

Linux 5.0-rc7

* tag 'v5.0-rc7': (1667 commits)
  Linux 5.0-rc7
  Input: elan_i2c - add ACPI ID for touchpad in Lenovo V330-15ISK
  Input: st-keyscan - fix potential zalloc NULL dereference
  Input: apanel - switch to using brightness_set_blocking()
  powerpc/64s: Fix possible corruption on big endian due to pgd/pud_present()
  efi/arm: Revert "Defer persistent reservations until after paging_init()"
  arm64, mm, efi: Account for GICv3 LPI tables in static memblock reserve table
  sunrpc: fix 4 more call sites that were using stack memory with a scatterlist
  include/linux/module.h: copy __init/__exit attrs to init/cleanup_module
  Compiler Attributes: add support for __copy (gcc >= 9)
  lib/crc32.c: mark crc32_le_base/__crc32c_le_base aliases as __pure
  auxdisplay: ht16k33: fix potential user-after-free on module unload
  x86/platform/UV: Use efi_runtime_lock to serialise BIOS calls
  i2c: bcm2835: Clear current buffer pointers and counts after a transfer
  i2c: cadence: Fix the hold bit setting
  drm: Use array_size() when creating lease
  dm thin: fix bug where bio that overwrites thin block ignores FUA
  Revert "exec: load_script: don't blindly truncate shebang string"
  Revert "gfs2: read journal in large chunks to locate the head"
  net: ethernet: freescale: set FEC ethtool regs version
  ...

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

1 files changed, 5 insertions, 5 deletions

diff --git a/drivers/infiniband/hw/mlx5/odp.c b/drivers/infiniband/hw/mlx5/odp.c
index 01e0f6200631..4ee32964e1dd 100644
--- a/drivers/infiniband/hw/mlx5/odp.c
+++ b/drivers/infiniband/hw/mlx5/odp.c
@@ -1595,10 +1595,12 @@ static void mlx5_ib_prefetch_mr_work(struct work_struct *work)
 	struct prefetch_mr_work *w =
 		container_of(work, struct prefetch_mr_work, work);
 
-	if (w->dev->ib_dev.reg_state == IB_DEV_REGISTERED)
+	if (ib_device_try_get(&w->dev->ib_dev)) {
 		mlx5_ib_prefetch_sg_list(w->dev, w->pf_flags, w->sg_list,
 					 w->num_sge);
-
+		ib_device_put(&w->dev->ib_dev);
+	}
+	put_device(&w->dev->ib_dev.dev);
 	kfree(w);
 }
 
@@ -1617,15 +1619,13 @@ int mlx5_ib_advise_mr_prefetch(struct ib_pd *pd,
 		return mlx5_ib_prefetch_sg_list(dev, pf_flags, sg_list,
 						num_sge);
 
-	if (dev->ib_dev.reg_state != IB_DEV_REGISTERED)
-		return -ENODEV;
-
 	work = kvzalloc(struct_size(work, sg_list, num_sge), GFP_KERNEL);
 	if (!work)
 		return -ENOMEM;
 
 	memcpy(work->sg_list, sg_list, num_sge * sizeof(struct ib_sge));
 
+	get_device(&dev->ib_dev.dev);
 	work->dev = dev;
 	work->pf_flags = pf_flags;
 	work->num_sge = num_sge;