media: airspy: respect the DMA coherency rules

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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>

...

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Oliver Neukum 2022-05-18 09:10:45 +01:00 • committed by Mauro Carvalho Chehab

parent 6a0d673309

commit ca9dc8d06a

1 changed files with 15 additions and 2 deletions

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drivers/media/usb/airspy/airspy.c

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