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authorAlexander Usyskin <alexander.usyskin@intel.com>2014-01-27 22:27:23 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-02-07 08:16:14 -0800
commit30c54df7cb9b15b222529a028390b9c9582dd65e (patch)
tree96cb70514499ac6f046655942faae84d91d7f4c3 /drivers/misc/mei
parent38dbfb59d1175ef458d006556061adeaa8751b72 (diff)
downloadlinux-30c54df7cb9b15b222529a028390b9c9582dd65e.tar.bz2
mei: clear write cb from waiting list on reset
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> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/mei')
-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 1ee2b9492a82..ccdacb5fcd8b 100644
--- a/drivers/misc/mei/client.c
+++ b/drivers/misc/mei/client.c
@@ -942,8 +942,16 @@ 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);
}