1 files changed, 7 insertions, 1 deletions

diff --git a/fs/cifs/smbencrypt.c b/fs/cifs/smbencrypt.c
index 1c5b770c3141..42b9fff48751 100644
--- a/fs/cifs/smbencrypt.c
+++ b/fs/cifs/smbencrypt.c
@@ -157,8 +157,14 @@ mdfour(unsigned char *md4_hash, unsigned char *link_str, int link_len)
                 cERROR(1, "%s: Could not init md4 shash\n", __func__);
                 goto mdfour_err;
         }
-        crypto_shash_update(&sdescmd4->shash, link_str, link_len);
+        rc = crypto_shash_update(&sdescmd4->shash, link_str, link_len);
+        if (rc) {
+                cERROR(1, "%s: Could not update with link_str\n", __func__);
+                goto mdfour_err;
+        }
         rc = crypto_shash_final(&sdescmd4->shash, md4_hash);
+        if (rc)
+                cERROR(1, "%s: Could not genereate md4 hash\n", __func__);
 
 mdfour_err:
         crypto_free_shash(md4);