openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

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>
This commit is contained in:
Jeff Mahoney 2017-05-17 09:49:37 -04:00 committed by David Sterba
parent cc2b702c52
commit 896533a7da
1 changed files with 1 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
fs/btrfs/extent-tree.c
View File

@ -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;
}