Re: [PATCH] can: bcm: fix support for CAN FD frames

[Marc Kleine-Budde <mkl@pengutronix.de>]

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On 11/23/2016 02:33 PM, Oliver Hartkopp wrote:
> Since commit 6f3b911d5f29b98 ("can: bcm: add support for CAN FD frames") the
> CAN broadcast manager supports CAN and CAN FD data frames.
> 
> As these data frames are embedded in struct can[fd]_frames which have a
> different length the access to the provided array of CAN frames became
> dependend of op->cfsiz. By using a struct canfd_frame pointer for the array of
> CAN frames the new offset calculation based on op->cfsiz was accidently applied
> to CAN FD frame element lengths.
> 
> This fix makes the pointer to the arrays of the different CAN frame types a
> void pointer so that the offset calculation in bytes accesses the correct CAN
> frame elements.
> 
> Reference: http://marc.info/?l=linux-netdev&m=147980658909653
> 
> Reported-by: Andrey Konovalov <andreyknvl@google.com>
> Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>

Added to can and send a pull request to David.

Thanks,
Marc

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