On 12/27/2019 1:54 AM, Rayagonda Kokatanur wrote: > Fix kernel NULL pointer dereference error when mbox_request_channel() > fails to allocate channel. > > Fixes: 4e9f8187aec ("dmaengine: bcm-sba-raid: Use only single mailbox channel") > Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur@xxxxxxxxxxxx> Reviewed-by: Florian Fainelli <f.fainelli@xxxxxxxxx> -- Florian