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| author | Mustafa Ismail <mustafa.ismail@intel.com> | 2016-08-22 18:15:58 -0500 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-08-23 12:40:20 -0400 |
| commit | 44856be3e95c87f03e850ef4fdf8c0503c2dde18 (patch) | |
| tree | 60bec147d6794293d87f95558903181818982088 | |
| parent | 6c7d46fdb8165ece4b0a17fb8f0b9320dbfeffc2 (diff) | |
| download | linux-stable-44856be3e95c87f03e850ef4fdf8c0503c2dde18.tar.gz linux-stable-44856be3e95c87f03e850ef4fdf8c0503c2dde18.tar.bz2 linux-stable-44856be3e95c87f03e850ef4fdf8c0503c2dde18.zip | |
i40iw: Protect req_resource_num update
In i40iw_alloc_resource(), ensure that the update to
req_resource_num is protected by the lock.
Fixes: 8e06af711bf2 ("i40iw: add main, hdr, status")
Reported-by: Stefan Assmann <sassmann@redhat.com>
Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
| -rw-r--r-- | drivers/infiniband/hw/i40iw/i40iw.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/i40iw/i40iw.h b/drivers/infiniband/hw/i40iw/i40iw.h index 882f3ef2e4c7..8ec09e470f84 100644 --- a/drivers/infiniband/hw/i40iw/i40iw.h +++ b/drivers/infiniband/hw/i40iw/i40iw.h @@ -435,8 +435,8 @@ static inline int i40iw_alloc_resource(struct i40iw_device *iwdev, *next = resource_num + 1; if (*next == max_resources) *next = 0; - spin_unlock_irqrestore(&iwdev->resource_lock, flags); *req_resource_num = resource_num; + spin_unlock_irqrestore(&iwdev->resource_lock, flags); return 0; } |