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authorIngo Molnar <mingo@kernel.org>2016-05-05 09:57:27 +0200
committerIngo Molnar <mingo@kernel.org>2016-05-05 09:57:27 +0200
commite8c8ce54807b19e90ac84e609b13f7d4e337eab1 (patch)
treeae7d65ae17d55aee197b605ce1a193fe594af614 /drivers/infiniband/core/ucma.c
parent5db4298133d99b3dfc60d6899ac9df169769c899 (diff)
parent04974df8049fc4240d22759a91e035082ccd18b4 (diff)
Merge tag 'v4.6-rc6' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/infiniband/core/ucma.c')
-rw-r--r--drivers/infiniband/core/ucma.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
index dd3bcceadfde..c0f3826abb30 100644
--- a/drivers/infiniband/core/ucma.c
+++ b/drivers/infiniband/core/ucma.c
@@ -1574,6 +1574,9 @@ static ssize_t ucma_write(struct file *filp, const char __user *buf,
struct rdma_ucm_cmd_hdr hdr;
ssize_t ret;
+ if (WARN_ON_ONCE(!ib_safe_file_access(filp)))
+ return -EACCES;
+
if (len < sizeof(hdr))
return -EINVAL;