dio: fix use-after-free

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2009-12-17 04:52:13 -05:00
parent 718deb6b61
commit 06777d308f

View File

@ -1206,7 +1206,7 @@ __blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode,
* NOTE: filesystems with their own locking have to handle this
* on their own.
*/
if (dio->flags & DIO_LOCKING) {
if (flags & DIO_LOCKING) {
if (unlikely((rw & WRITE) && retval < 0)) {
loff_t isize = i_size_read(inode);
if (end > isize)