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authorIngo Molnar <mingo@kernel.org>2016-05-07 07:00:07 +0200
committerIngo Molnar <mingo@kernel.org>2016-05-07 07:00:07 +0200
commit35dc9ec1076b79c31bf7ed538af008b7f23bb14d (patch)
treef90affdd5dc45f47f8d5d84ea34c71e5e521e7a1 /drivers/infiniband/core/ucma.c
parent0ec7ae928a9c19c2b7b8054507d5694a2597065e (diff)
parent07837831047fb72856d1f61a726a4094397facd8 (diff)
Merge branch 'linus' into efi/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;