Messages in this thread Patch in this message | | | From | naota@elisp ... | Subject | [PATCH] btrfs: Drop inode if inode root is NULL | Date | Thu, 06 Jun 2013 18:56:34 +0900 |
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There is a path where btrfs_drop_inode() is called with its inode's root is NULL: In btrfs_new_inode(), when btrfs_set_inode_index() fails, iput() is called. We should handle this case before taking look at the root->root_item.
Signed-off-by: Naohiro Aota <naota@elisp.net> --- fs/btrfs/inode.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index af978f7..17f3064 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) -- 1.8.2.1
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