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btrfs-progs: let btrfs_free_path accept NULL
author
David Sterba
<dsterba@suse.cz>
Fri, 19 Dec 2014 16:01:40 +0000
(17:01 +0100)
committer
David Sterba
<dsterba@suse.cz>
Fri, 19 Dec 2014 17:04:28 +0000
(18:04 +0100)
Same in kernel and matches semantics of free().
Resolves-Coverity-CID: 1054881
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
ctree.c
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diff --git
a/ctree.c
b/ctree.c
index
bd6cb12
..
589efa3
100644
(file)
--- a/
ctree.c
+++ b/
ctree.c
@@
-48,6
+48,8
@@
struct btrfs_path *btrfs_alloc_path(void)
void btrfs_free_path(struct btrfs_path *p)
{
+ if (!p)
+ return;
btrfs_release_path(p);
kfree(p);
}