lib/btrfs: avoid NULL-dereference

btrfs.c:42:13: warning: use of NULL 'cmd' where non-null expected [CWE-476] [-Wanalyzer-null-argument] Reviewed-by: Alejandro Colomar <alx@kernel.org>
2023-01-26 21:03:56 +01:00
parent a08021eb0e
commit 54ab542887
1 changed files with 1 additions and 1 deletions
@@ -39,7 +39,7 @@ static int run_btrfs_subvolume_cmd(const char *subcmd, const char *arg1, const c
 		NULL
 	};

-	if (access(cmd, X_OK)) {
+	if (!cmd || access(cmd, X_OK)) {
 		return 1;
 	}