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(parent: fdb838e) | patch
USB: serial: ch341: handle unbound port at reset_resume
authorJohan Hovold <johan@kernel.org>
Fri, 17 Jan 2020 09:50:22 +0000 (10:50 +0100)
committerJohan Hovold <johan@kernel.org>
Fri, 17 Jan 2020 15:22:45 +0000 (16:22 +0100)
commit4d5ef53f75c22d28f490bcc5c771fcc610a9afa4
tree7629efab2d95c94ae872f2ef411f68a9b35559f8tree | snapshot
parentfdb838efa31e1ed9a13ae6ad0b64e30fdbd00570commit | diff
USB: serial: ch341: handle unbound port at reset_resume

Check for NULL port data in reset_resume() to avoid dereferencing a NULL
pointer in case the port device isn't bound to a driver (e.g. after a
failed control request at port probe).

Fixes: 1ded7ea47b88 ("USB: ch341 serial: fix port number changed after resume")
Cc: stable <stable@vger.kernel.org> # 2.6.30
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
drivers/usb/serial/ch341.c diff | blob | history
Domain: System / Kernel;