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authorOlof Johansson <olof@lixom.net>2012-09-13 07:34:11 +0200
committerOlof Johansson <olof@lixom.net>2012-09-13 07:34:11 +0200
commit025c95a6826ad8acfe871f33c2fa9208beeb38df (patch)
tree220fe156ff60db13bd3a1319f5e20d6b723de5f4 /fs/btrfs/qgroup.c
parentMerge branch 'ks8695/timer' into next/cleanup (diff)
parentARM: mmp: remove unused definition in APBC and APMU (diff)
downloadlinux-025c95a6826ad8acfe871f33c2fa9208beeb38df.tar.xz
linux-025c95a6826ad8acfe871f33c2fa9208beeb38df.zip
Merge branch 'clk' of git://github.com/hzhuang1/linux into next/cleanup
* 'clk' of git://github.com/hzhuang1/linux: ARM: mmp: remove unused definition in APBC and APMU ARM: mmp: move mmp2 clock definition to separated file arm: mmp: move pxa910 clock definition to separated file arm: mmp: move pxa168 clock definition to separated file arm: mmp: make private clock definition exclude from common clock + Linux 3.6-rc4
Diffstat (limited to 'fs/btrfs/qgroup.c')
-rw-r--r--fs/btrfs/qgroup.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index bc424ae5a81a..38b42e7bc91d 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -1364,13 +1364,17 @@ int btrfs_qgroup_inherit(struct btrfs_trans_handle *trans,
spin_lock(&fs_info->qgroup_lock);
dstgroup = add_qgroup_rb(fs_info, objectid);
- if (!dstgroup)
+ if (IS_ERR(dstgroup)) {
+ ret = PTR_ERR(dstgroup);
goto unlock;
+ }
if (srcid) {
srcgroup = find_qgroup_rb(fs_info, srcid);
- if (!srcgroup)
+ if (!srcgroup) {
+ ret = -EINVAL;
goto unlock;
+ }
dstgroup->rfer = srcgroup->rfer - level_size;
dstgroup->rfer_cmpr = srcgroup->rfer_cmpr - level_size;
srcgroup->excl = level_size;
@@ -1379,8 +1383,10 @@ int btrfs_qgroup_inherit(struct btrfs_trans_handle *trans,
qgroup_dirty(fs_info, srcgroup);
}
- if (!inherit)
+ if (!inherit) {
+ ret = -EINVAL;
goto unlock;
+ }
i_qgroups = (u64 *)(inherit + 1);
for (i = 0; i < inherit->num_qgroups; ++i) {