[Intel-wired-lan] [next PATCH S98 4/6] virtchnl: Fix off by one error

[Bowers, AndrewX]

> -----Original Message-----
> From: Intel-wired-lan [mailto:intel-wired-lan-bounces at osuosl.org] On
> Behalf Of Alice Michael
> Sent: Friday, October 26, 2018 2:34 PM
> To: Michael, Alice <alice.michael at intel.com>; intel-wired-
> lan at lists.osuosl.org
> Subject: [Intel-wired-lan] [next PATCH S98 4/6] virtchnl: Fix off by one error
> 
> When calculating the valid length for a VIRTCHNL_OP_ENABLE_CHANNELS
> message, we accidentally allowed messages with one extra
> virtchnl_channel_info structure on the end. This happened due to an off by
> one error, because we forgot that valid_len already accounted for one
> virtchnl_channel_info structure, so we need to subtract one from the
> num_tc value.
> 
> Signed-off-by: Alice Michael <alice.michael at intel.com>
> ---
>  include/linux/avf/virtchnl.h | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

Tested-by: Andrew Bowers <andrewx.bowers at intel.com>