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;