cifsd: add default case in switch statment in alloc_shash_desc()

Add default case in switch statment in alloc_shash_desc().

Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Steve French <stfrench@microsoft.com>

diff --git a/fs/cifsd/crypto_ctx.c b/fs/cifsd/crypto_ctx.c
index 1830ae1..dbfe36e 100644 (file)
--- a/fs/cifsd/crypto_ctx.c
+++ b/fs/cifsd/crypto_ctx.c
@@ -88,6 +88,8 @@ static struct shash_desc *alloc_shash_desc(int id)
        case CRYPTO_SHASH_MD5:
                tfm = crypto_alloc_shash("md5", 0, 0);
                break;
+       default:
+               return NULL;
        }
 
        if (IS_ERR(tfm))