redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

autofs: fix a leak in autofs_expire_indirect() 

if the second call of should_expire() in there ends up
grabbing and returning a new reference to dentry, we need
to drop it before continuing.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
alistair/sunxi64-5.4-dsi
Al Viro 2019-10-25 00:03:11 -04:00
parent 97eba80fcc
commit 03ad0d703d
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
fs/autofs/expire.c
View File

@ -459,9 +459,10 @@ static struct dentry *autofs_expire_indirect(struct super_block *sb,
*/
how &= ~AUTOFS_EXP_LEAVES;
found = should_expire(expired, mnt, timeout, how);
if (!found || found != expired)
/* Something has changed, continue */
if (found != expired) { // something has changed, continue
dput(found);
goto next;
}
if (expired != dentry)
dput(dentry);