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authorJiri Slaby <jirislaby@gmail.com>2008-10-27 07:16:15 -0400
committerJiri Kosina <jkosina@suse.cz>2008-10-27 10:06:01 -0400
commit3d5afd324a4bf9f64f59599bf1e93cd7dd1dc97a (patch)
tree920b64f768d33c1534f6bdc37447f8b80494f9fa /include
parentf8d56f1771e4867acc461146764b4feeb5245669 (diff)
HID: fix oops during suspend of unbound HID devices
Usbhid structure is allocated on start invoked only from probe of some driver. When there is no driver, the structure is null and causes null-dereference oopses. Fix it by allocating the structure on probe and disconnect of the device itself. Also make sure we won't race between start and resume or stop and suspend respectively. References: http://bugzilla.kernel.org/show_bug.cgi?id=11827 Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Johannes Berg <johannes@sipsolutions.net> Cc: Andreas Schwab <schwab@suse.de> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'include')
-rw-r--r--include/linux/hid.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/hid.h b/include/linux/hid.h
index 5355ca4b939e..e5780f8c934a 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -410,6 +410,7 @@ struct hid_output_fifo {
410#define HID_SUSPENDED 5 410#define HID_SUSPENDED 5
411#define HID_CLEAR_HALT 6 411#define HID_CLEAR_HALT 6
412#define HID_DISCONNECTED 7 412#define HID_DISCONNECTED 7
413#define HID_STARTED 8
413 414
414struct hid_input { 415struct hid_input {
415 struct list_head list; 416 struct list_head list;