Commit 42f15d77 authored by Chris Mason's avatar Chris Mason
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Btrfs: Make sure dir is non-null before doing S_ISGID checks 



The S_ISGID check in btrfs_new_inode caused an oops during subvol creation
because sometimes the dir is null.

Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent 806638bc

fs/btrfs/inode.c

+1 −1
Original line number Diff line number Diff line
@@ -3491,7 +3491,7 @@ static struct inode *btrfs_new_inode(struct btrfs_trans_handle *trans, 


	inode->i_uid = current_fsuid();



	if (dir->i_mode & S_ISGID) {

	if (dir && (dir->i_mode & S_ISGID)) {

		inode->i_gid = dir->i_gid;

		if (S_ISDIR(mode))

			mode |= S_ISGID;