new_inode() does not return ERR_PTR() but NULL in case of failure. Correct
checking of the return value.
Signed-off-by: NJan Kara <jack@suse.cz>
Signed-off-by: NJoel Becker <joel.becker@oracle.com>
Signed-off-by: NMark Fasheh <mfasheh@suse.com>