diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 35c55cf38a35..b095094c0842 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -3778,7 +3778,7 @@ again:
 	if (rc == -ENODATA)
 		rc = 0;
 
-	ctx->rc = (rc == 0) ? ctx->total_len : rc;
+	ctx->rc = (rc == 0) ? (ssize_t)ctx->total_len : rc;
 
 	mutex_unlock(&ctx->aio_mutex);