On Sun, Jan 19, 2020 at 10:47:33AM -0500, Sasha Levin wrote: > On Sun, Jan 19, 2020 at 02:41:16PM +0100, gregkh@xxxxxxxxxxxxxxxxxxx wrote: > > > > The patch below does not apply to the 4.9-stable tree. > > If someone wants it applied there, or to any other stable or longterm > > tree, then please email the backport, including the original git commit > > id to <stable@xxxxxxxxxxxxxxx>. > > > > thanks, > > > > greg k-h > > > > ------------------ original commit in Linus's tree ------------------ > > > > > From 3018dd3fa114b13261e9599ddb5656ef97a1fa17 Mon Sep 17 00:00:00 2001 > > From: Johan Hovold <johan@xxxxxxxxxx> > > Date: Fri, 17 Jan 2020 10:50:25 +0100 > > Subject: [PATCH] USB: serial: keyspan: handle unbound ports > > > > Check for NULL port data in the control URB completion handlers to avoid > > dereferencing a NULL pointer in the unlikely case where a port device > > isn't bound to a driver (e.g. after an allocation failure on port > > probe()). > > > > Fixes: 0ca1268e109a ("USB Serial Keyspan: add support for USA-49WG & USA-28XG") > > Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") > > Cc: stable <stable@xxxxxxxxxxxxxxx> > > Reviewed-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > > Signed-off-by: Johan Hovold <johan@xxxxxxxxxx> > > Grabbing the prerequisite for the other USB patch also resolved the > conflict here, now queued for 4.9 and 4.4. Thanks for this and the other fixups you're doing here, much appreciated. greg k-h