HID: hiddev: do cleanup in failure of opening a device
authorHillf Danton <hdanton@sina.com>
Tue, 6 Aug 2019 08:40:15 +0000 (16:40 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 25 Aug 2019 08:47:49 +0000 (10:47 +0200)
commitb545dc9debe69ca513b93f4a244451e9be14b0c5
tree07773350e11d9278fc1d5b055b9da1b51f912d40
parent0aab1a4653a6a21509e8add4bb460be76fcf9c70
HID: hiddev: do cleanup in failure of opening a device

commit 6d4472d7bec39917b54e4e80245784ea5d60ce49 upstream.

Undo what we did for opening before releasing the memory slice.

Reported-by: syzbot <syzbot+62a1e04fd3ec2abf099e@syzkaller.appspotmail.com>
Cc: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Hillf Danton <hdanton@sina.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/hid/usbhid/hiddev.c