From: Theodore Ts'o <tytso@mit.edu>
Date: Wed, 31 Aug 2022 21:01:21 +0000 (-0400)
Subject: misc: fix test for unavailable mountpoint in tune2fs
X-Git-Tag: v1.47.0~18
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=75797f6467209db1b653686d09a6618dca728750;p=thirdparty%2Fe2fsprogs.git

misc: fix test for unavailable mountpoint in tune2fs

Addresses-Coverity-Bug: 1510127
Fixes: a83e199da0ca ("tune2fs: Add support for get/set UUID ioctls")
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
---

diff --git a/misc/tune2fs.c b/misc/tune2fs.c
index c07ad52d8..9f0d43791 100644
--- a/misc/tune2fs.c
+++ b/misc/tune2fs.c
@@ -3588,7 +3588,7 @@ _("Warning: The journal is dirty. You may wish to replay the journal like:\n\n"
 
 #ifdef __linux__
 		if ((mount_flags & EXT2_MF_MOUNTED) &&
-		    !(mount_flags & EXT2_MF_READONLY) && mntpt) {
+		    !(mount_flags & EXT2_MF_READONLY) && mntpt[0]) {
 			fd = open(mntpt, O_RDONLY);
 			if (fd >= 0)
 				fsuuid = malloc(sizeof(*fsuuid) + UUID_SIZE);