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dio: fix use-after-free
author
Al Viro
<viro@zeniv.linux.org.uk>
Thu, 17 Dec 2009 09:52:13 +0000
(
04:52
-0500)
committer
Al Viro
<viro@zeniv.linux.org.uk>
Thu, 17 Dec 2009 09:52:13 +0000
(
04:52
-0500)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
fs/direct-io.c
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diff --git
a/fs/direct-io.c
b/fs/direct-io.c
index
4012885
..
e82adc2
100644
(file)
--- a/
fs/direct-io.c
+++ b/
fs/direct-io.c
@@
-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)