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
......@@ -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;
......
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