This is a note to let you know that I've just added the patch titled
mei: clear write cb from waiting list on reset
to the 3.12-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
mei-clear-write-cb-from-waiting-list-on-reset.patch
and it can be found in the queue-3.12 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 30c54df7cb9b15b222529a028390b9c9582dd65e Mon Sep 17 00:00:00 2001
From: Alexander Usyskin <alexander.usyskin@xxxxxxxxx>
Date: Mon, 27 Jan 2014 22:27:23 +0200
Subject: mei: clear write cb from waiting list on reset
From: Alexander Usyskin <alexander.usyskin@xxxxxxxxx>
commit 30c54df7cb9b15b222529a028390b9c9582dd65e upstream.
Clear write callbacks sitting in write_waiting list on reset.
Otherwise these callbacks are left dangling and cause memory leak.
Signed-off-by: Alexander Usyskin <alexander.usyskin@xxxxxxxxx>
Signed-off-by: Tomas Winkler <tomas.winkler@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/misc/mei/client.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
--- a/drivers/misc/mei/client.c
+++ b/drivers/misc/mei/client.c
@@ -916,8 +916,16 @@ void mei_cl_all_wakeup(struct mei_device
void mei_cl_all_write_clear(struct mei_device *dev)
{
struct mei_cl_cb *cb, *next;
+ struct list_head *list;
- list_for_each_entry_safe(cb, next, &dev->write_list.list, list) {
+ list = &dev->write_list.list;
+ list_for_each_entry_safe(cb, next, list, list) {
+ list_del(&cb->list);
+ mei_io_cb_free(cb);
+ }
+
+ list = &dev->write_waiting_list.list;
+ list_for_each_entry_safe(cb, next, list, list) {
list_del(&cb->list);
mei_io_cb_free(cb);
}
Patches currently in stable-queue which might be from alexander.usyskin@xxxxxxxxx are
queue-3.12/mei-clear-write-cb-from-waiting-list-on-reset.patch
queue-3.12/mei-don-t-unset-read-cb-ptr-on-reset.patch
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