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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 12:41:28 -0800
commit85153361d846360f4e94e187a04913ad063348a2 (patch)
tree6de208bbb6d9ab00f3456dff5e0e3c9e42d258c0
parent2fff6c25c0a8e2df0bcb2f578b892356b1fe4c80 (diff)
downloadlinux-85153361d846360f4e94e187a04913ad063348a2.tar.gz
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 e310ca6ed1a..bdc2cca7ed4 100644
--- a/drivers/misc/mei/client.c
+++ b/drivers/misc/mei/client.c
@@ -829,8 +829,16 @@ void mei_cl_all_read_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);
}