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authorIngo Molnar <mingo@kernel.org>2013-07-01 11:16:54 +0200
committerIngo Molnar <mingo@kernel.org>2013-07-01 11:18:53 +0200
commit2fd1b487884310d0aa0c0640179dc7490ad86313 (patch)
tree1083dce15bd7dc0858c3883b8a361242046c5e09 /fs/btrfs/inode.c
parent333bb864f192015a53b5060b829089decd0220ef (diff)
parent8bb495e3f02401ee6f76d1b1d77f3ac9f079e376 (diff)
Merge tag 'v3.10' into sched/core
Merge in a recent upstream commit: c2853c8df57f include/linux/math64.h: add div64_ul() because: 72a4cf20cb71 sched: Change cfs_rq load avg to unsigned long relies on it. [ We don't rebase sched/core for this, because the handful of followup commits after the broken commit are not behavioral changes so are unlikely to be needed during bisection. ] Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/btrfs/inode.c')
-rw-r--r--fs/btrfs/inode.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index af978f7682b3..17f3064b4a3e 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -8012,6 +8012,9 @@ int btrfs_drop_inode(struct inode *inode)
{
struct btrfs_root *root = BTRFS_I(inode)->root;
+ if (root == NULL)
+ return 1;
+
/* the snap/subvol tree is on deleting */
if (btrfs_root_refs(&root->root_item) == 0 &&
root != root->fs_info->tree_root)