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| author | Hubert Kario <kario@wit.edu.pl> | 2012-02-19 21:11:46 +0100 |
|---|---|---|
| committer | Chris Mason <chris.mason@fusionio.com> | 2012-07-03 16:27:46 -0400 |
| commit | ff2b80b460bbb5ff85f543661be218ffab0e286b (patch) | |
| tree | e6d84b1aff1c2e26a721e727b58cdfa09d7884c6 | |
| parent | 3f388b9690a3040139f4f899118e0701073de0c7 (diff) | |
Fix segmentation fault when opening invalid file system
Signed-off-by: Hubert Kario <kario@wit.edu.pl>
| -rw-r--r-- | btrfslabel.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/btrfslabel.c b/btrfslabel.c index da694e1d..bf738024 100644 --- a/btrfslabel.c +++ b/btrfslabel.c @@ -55,6 +55,8 @@ static void change_label_unmounted(char *dev, char *nLabel) * and as read-write. */ root = open_ctree(dev, 0, 1); + if (!root) /* errors are printed by open_ctree() */ + return; trans = btrfs_start_transaction(root, 1); strncpy(root->fs_info->super_copy.label, nLabel, BTRFS_LABEL_SIZE); |