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hfs: SMP race on directory close()
author
Al Viro
<viro@zeniv.linux.org.uk>
Mon, 6 May 2013 00:20:25 +0000
(20:20 -0400)
committer
Al Viro
<viro@zeniv.linux.org.uk>
Mon, 6 May 2013 00:20:25 +0000
(20:20 -0400)
->open_dir_list needs protection...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
fs/hfs/dir.c
patch
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diff --git
a/fs/hfs/dir.c
b/fs/hfs/dir.c
index
17c22a8
..
e0101b6
100644
(file)
--- a/
fs/hfs/dir.c
+++ b/
fs/hfs/dir.c
@@
-176,7
+176,9
@@
static int hfs_dir_release(struct inode *inode, struct file *file)
{
struct hfs_readdir_data *rd = file->private_data;
if (rd) {
+ mutex_lock(&inode->i_mutex);
list_del(&rd->list);
+ mutex_unlock(&inode->i_mutex);
kfree(rd);
}
return 0;