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| author | Jeff Mahoney <jeffm@suse.com> | 2017-05-17 16:49:37 +0300 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2017-06-01 17:56:31 +0300 |
| commit | 896533a7da929136d0432713f02a3edffece2826 (patch) | |
| tree | 0026603a4f0d5d5064a6602a6224dc2f3c28be9b /fs/btrfs/extent-tree.c | |
| parent | cc2b702c52094b637a351d7491ac5200331d0445 (diff) | |
| download | linux-896533a7da929136d0432713f02a3edffece2826.tar.xz | |
btrfs: fix memory leak in update_space_info failure path
If we fail to add the space_info kobject, we'll leak the memory
for the percpu counter.
Fixes: 6ab0a2029c (btrfs: publish allocation data in sysfs)
Cc: <stable@vger.kernel.org> # v3.14+
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Reviewed-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/extent-tree.c')
| -rw-r--r-- | fs/btrfs/extent-tree.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index e390451c72e6..27ca5b81ed22 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -3993,6 +3993,7 @@ static int update_space_info(struct btrfs_fs_info *info, u64 flags, info->space_info_kobj, "%s", alloc_name(found->flags)); if (ret) { + percpu_counter_destroy(&found->total_bytes_pinned); kfree(found); return ret; } |