ca9dc8d06a
If we want to avoid memory corruption on incoherent architectures, buffers for DMA must not reside - on the stack - embedded within other structures Allocate them separately. v2: fix uninitialized return value Signed-off-by: Oliver Neukum <oneukum@suse.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>