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authorAlexander Usyskin <alexander.usyskin@intel.com>2014-01-27 22:27:23 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-02-22 13:34:52 -0800
commitbadb44c0f55d06f049653c9a38d36cbbc07d0684 (patch)
treefcd424f4836a805d1da1c6b802ce6f7621c60010
parent4675f7c7c248f53338a6b6ade156c6e98730999f (diff)
downloadlwn-badb44c0f55d06f049653c9a38d36cbbc07d0684.tar.gz
lwn-badb44c0f55d06f049653c9a38d36cbbc07d0684.zip
mei: clear write cb from waiting list on reset
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@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/misc/mei/client.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c
index 87c96e4669e2..74e9e09e1a23 100644
--- a/drivers/misc/mei/client.c
+++ b/drivers/misc/mei/client.c
@@ -941,8 +941,16 @@ void mei_cl_all_wakeup(struct mei_device *dev)
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);
}