Messages in this thread | | | Date | Wed, 20 Mar 2013 14:51:25 +0200 | From | Felipe Balbi <> | Subject | Re: [RFC PATCHv2 1/1] usb: f_rndis: Avoid to use ERROR macro if cdev can be null |
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On Tue, Mar 19, 2013 at 02:22:56PM +0100, Michal Nazarewicz wrote: > On Tue, Mar 19 2013, oskar.andero@sonymobile.com wrote: > > The udc_irq service runs the isr_tr_complete_handler which in turn > > "nukes" the endpoints, including a call to rndis_response_complete, > > if appropriate. If the rndis_msg_parser fails here, an error will > > be printed using a dev_err call (through the ERROR() macro). > > > > However, if the usb cable was just disconnected the device (cdev) > > might not be available and will be null. Since the dev_err macro will > > dereference the cdev pointer we get a null pointer exception. > > > > Reviewed-by: Radovan Lekanovic <radovan.lekanovic@sonymobile.com> > > Signed-off-by: Truls Bengtsson <truls.bengtsson@sonymobile.com> > > Signed-off-by: Oskar Andero <oskar.andero@sonymobile.com> > > Acked-by: Michal Nazarewicz <mina86@mina86.com> > > I think this is the best solution. Adding if statements around it would > just add noise.
alright, please re-send without RFC tag and with Michal's acked-by so I can apply.
-- balbi [unhandled content-type:application/pgp-signature] | |