Merge tag 'for-linus-4.6-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git...

[deliverable/linux.git] / drivers / infiniband / core / ucma.c

diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
index dd3bcceadfdef2d277109e0ecfeb334052c1efa4..c0f3826abb30aa09d755650d5055610679c846c8 100644 (file)
--- 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;