| commit | 4d5ef53f75c22d28f490bcc5c771fcc610a9afa4 | [log] [tgz] |
|---|---|---|
| author | Johan Hovold <johan@kernel.org> | Fri Jan 17 10:50:22 2020 +0100 |
| committer | Johan Hovold <johan@kernel.org> | Fri Jan 17 16:22:45 2020 +0100 |
| tree | 7629efab2d95c94ae872f2ef411f68a9b35559f8 | |
| parent | fdb838efa31e1ed9a13ae6ad0b64e30fdbd00570 [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>