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[PATCH] VFS: Fix memory leak with file leases 

The patch
 http://linux.bkbits.net:8080/linux-2.6/diffs/fs/locks.c@1.70??nav=index.html
 introduced a pretty nasty memory leak in the lease code. When freeing
 the lease, the code in locks_delete_lock() will correctly clean up
 the fasync queue, but when we return to fcntl_setlease(), the freed
 fasync entry will be reinstated.

 This patch ensures that we skip the call to fasync_helper() when we're
 freeing up the lease.

 Signed-off-by: J. Bruce Fields <bfields@fieldses.org>
 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
J. Bruce Fields 2005-11-10 19:08:00 -05:00 committed by Trond Myklebust
parent 9e6c67fd27
commit dc15ae14e9
1 changed files with 1 additions and 1 deletions
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2
fs/locks.c
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@ -1430,7 +1430,7 @@ int fcntl_setlease(unsigned int fd, struct file *filp, long arg)
lock_kernel();
error = __setlease(filp, arg, &flp);
if (error)
if (error || arg == F_UNLCK)
goto out_unlock;
error = fasync_helper(fd, filp, 1, &flp->fl_fasync);