| commit | 2353f2bea307390e015493118e425152b8a5a431 | [log] [tgz] |
|---|---|---|
| author | Jiri Kosina <jkosina@suse.cz> | Tue Apr 16 15:40:09 2013 -0700 |
| committer | Jiri Kosina <jkosina@suse.cz> | Tue Apr 30 10:09:31 2013 +0200 |
| tree | beb7fd2471690bbd8b0d0982c3b1f40f6784adba | |
| parent | a5f04b9df1113e0c16271afe5e43028f0d763f13 [diff] |
HID: protect hid_debug_list Accesses to hid_device->hid_debug_list are not serialized properly, which could result in SMP concurrency issues when HID debugfs events are accessesed by multiple userspace processess. Serialize all the list operations by a mutex. Spotted by Al Viro. Signed-off-by: Jiri Kosina <jkosina@suse.cz>