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Commit 0b4dcea5 authored by Chris Mason's avatar Chris Mason
Browse files

Btrfs: fix oops when btrfs_inherit_iflags called with a NULL dir 



This happens during subvol creation.

Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent 067c28ad

fs/btrfs/ioctl.c

+6 −1
Original line number Diff line number Diff line
@@ -112,7 +112,12 @@ void btrfs_update_iflags(struct inode *inode) 
 */

void btrfs_inherit_iflags(struct inode *inode, struct inode *dir)

{

	unsigned int flags = BTRFS_I(dir)->flags;

	unsigned int flags;



	if (!dir)

		return;



	flags = BTRFS_I(dir)->flags;



	if (S_ISREG(inode->i_mode))

		flags &= ~BTRFS_INODE_DIRSYNC;