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media: allegro: add helper to report unsupported fields

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Allow generators to explicitly signal an error if the C structs contain
unsupported or invalid fields.

Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Michael Tretter 2020-12-03 12:00:50 +01:00 committed by Mauro Carvalho Chehab
parent 256442881b
commit 98c588b6d2
2 changed files with 6 additions and 0 deletions
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5
drivers/media/platform/allegro-dvt/nal-rbsp.c
View File

@ -29,6 +29,11 @@ void rbsp_init(struct rbsp *rbsp, void *addr, size_t size,
rbsp->error = 0;
}
void rbsp_unsupported(struct rbsp *rbsp)
{
rbsp->error = -EINVAL;
}
static int rbsp_read_bits(struct rbsp *rbsp, int n, unsigned int *value);
static int rbsp_write_bits(struct rbsp *rbsp, int n, unsigned int value);

1
drivers/media/platform/allegro-dvt/nal-rbsp.h
View File

@ -49,6 +49,7 @@ extern struct nal_rbsp_ops read;
void rbsp_init(struct rbsp *rbsp, void *addr, size_t size,
struct nal_rbsp_ops *ops);
void rbsp_unsupported(struct rbsp *rbsp);
void rbsp_bit(struct rbsp *rbsp, int *value);
void rbsp_bits(struct rbsp *rbsp, int n, int *value);