Commits
Vincent Whitchurch committed 417406f2bd5
vop: vringh: Do not crash if no DMA channel Fallback gracefully if no DMA channel is provided instead of dereferencing NULL pointers. Signed-off-by: Vincent Whitchurch <vincent.whitchurch@axis.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>