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author | Danny Kukawka <danny.kukawka@bisect.de> | 2013-01-21 16:57:25 +0100 |
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committer | David Sterba <dsterba@suse.cz> | 2013-01-21 18:27:54 +0100 |
commit | c88c2f52fed9554306036385c5c15c012ba49629 (patch) | |
tree | 09ea4e3d647ebdfd9e1a66401d377a173d9369d2 /btrfs-select-super.c | |
parent | 0db197d8b2d2ab7214a2425c3c646e970e4085c8 (diff) |
btrfs-progs: Handle errors returned from open_ctree
Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de>
Signed-off-by: David Sterba <dsterba@suse.cz>
Diffstat (limited to 'btrfs-select-super.c')
-rw-r--r-- | btrfs-select-super.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/btrfs-select-super.c b/btrfs-select-super.c index 51eb9c96..0c4f5c0a 100644 --- a/btrfs-select-super.c +++ b/btrfs-select-super.c @@ -84,8 +84,10 @@ int main(int ac, char **av) root = open_ctree(av[optind], bytenr, 1); - if (root == NULL) + if (!root) { + fprintf(stderr, "Open ctree failed\n"); return 1; + } /* make the super writing code think we've read the first super */ root->fs_info->super_bytenr = BTRFS_SUPER_INFO_OFFSET; |