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xenbus: Fix memory leak on release 

Pending responses were leaked on close.

Signed-off-by: Daniel De Graaf <dgdegra@tycho.nsa.gov>
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
This commit is contained in:
Daniel De Graaf 2010-12-20 14:56:09 -08:00 committed by Jeremy Fitzhardinge
parent 7808121b9a
commit 6a5b3beff9
1 changed files with 5 additions and 0 deletions
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5
drivers/xen/xenfs/xenbus.c
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@ -543,6 +543,7 @@ static int xenbus_file_release(struct inode *inode, struct file *filp)
struct xenbus_file_priv *u = filp->private_data;
struct xenbus_transaction_holder *trans, *tmp;
struct watch_adapter *watch, *tmp_watch;
struct read_buffer *rb, *tmp_rb;
/*
* No need for locking here because there are no other users,
@ -561,6 +562,10 @@ static int xenbus_file_release(struct inode *inode, struct file *filp)
free_watch_adapter(watch);
}
list_for_each_entry_safe(rb, tmp_rb, &u->read_buffers, list) {
list_del(&rb->list);
kfree(rb);
}
kfree(u);
return 0;