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| author | David Sterba <dsterba@suse.cz> | 2014-12-19 16:22:59 +0100 |
|---|---|---|
| committer | David Sterba <dsterba@suse.cz> | 2014-12-19 18:04:23 +0100 |
| commit | 34350d11c1bf0723206972175f1f18b7e8840377 (patch) | |
| tree | ae8895a2dc391ff49716ea05716e382277b83073 /cmds-check.c | |
| parent | db0981936c945af4b3089aa8ed9981c075dca721 (diff) | |
btrfs-progs: check result of first_cache_extent
If the tree's empty, we'll get NULL and dereference it.
Resolves-Coverity-CID: 1248828
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
Diffstat (limited to 'cmds-check.c')
| -rw-r--r-- | cmds-check.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/cmds-check.c b/cmds-check.c index 6eea36c2..3e7a4ebd 100644 --- a/cmds-check.c +++ b/cmds-check.c @@ -8075,6 +8075,8 @@ static void free_roots_info_cache(void) struct root_item_info *rii; entry = first_cache_extent(roots_info_cache); + if (!entry) + break; remove_cache_extent(roots_info_cache, entry); rii = container_of(entry, struct root_item_info, cache_extent); free(rii); |