media: vicodec: fix out-of-range values when decoding
While decoding you need to make sure you do not get values < 0 or > 255. Note that since this code will also be used in userspace utilities the clamp macro isn't used since that is kernel-only. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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@ -625,8 +625,14 @@ static void fill_decoder_block(u8 *dst, const s16 *input, int stride)
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int i, j;
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for (i = 0; i < 8; i++) {
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for (j = 0; j < 8; j++)
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*dst++ = *input++;
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for (j = 0; j < 8; j++, input++, dst++) {
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if (*input < 0)
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*dst = 0;
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else if (*input > 255)
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*dst = 255;
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else
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*dst = *input;
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}
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dst += stride - 8;
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}
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}
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