Alice Michael d5be9df067 virtchnl: Fix off by one error ...

[ Upstream commit 843faff87af261bf55eda719a06087af0486a168 ]

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@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2019-12-13 08:51:18 +01:00

..

virtchnl.h

virtchnl: Fix off by one error

2019-12-13 08:51:18 +01:00