Re: [PATCH 1/7] USB: cdc-acm: fix double free on probe failure
From: Oliver Neukum <oneukum@suse.com>
Date: 2021-03-22 09:39:48
Also in:
lkml, stable
Am Donnerstag, den 18.03.2021, 16:51 +0100 schrieb Johan Hovold:
If tty-device registration fails the driver copy of any Country
Selection functional descriptor would end up being freed twice; first
explicitly in the error path and then again in the tty-port destructor.
Drop the first erroneous free that was left when fixing a tty-port
resource leak.
Fixes: cae2bc768d17 ("usb: cdc-acm: Decrement tty port's refcount if probe() fail")
Cc: stable@vger.kernel.org # 4.19
Cc: Jaejoong Kim <redacted>
Signed-off-by: Johan Hovold <johan@kernel.org>Acked-by: Oliver Neukum <oneukum@suse.com>