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[media] tw686x: Don't go past array
Depending on the compiler version, currently it produces the following warnings: tw686x-video.c: In function 'tw686x_video_init': tw686x-video.c:65:543: warning: array subscript is above array bounds [-Warray-bounds] This is actually bogus with the current code, as it currently hardcodes the framerate to 30 frames/sec, however a potential use after the array size could happen when the driver adds support for setting the framerate. So, fix it. Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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@ -61,8 +61,17 @@ static unsigned int tw686x_fields_map(v4l2_std_id std, unsigned int fps)
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8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13, 14, 0, 0
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};
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unsigned int i =
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(std & V4L2_STD_625_50) ? std_625_50[fps] : std_525_60[fps];
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unsigned int i;
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if (std & V4L2_STD_525_60) {
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if (fps > ARRAY_SIZE(std_525_60))
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fps = 30;
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i = std_525_60[fps];
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} else {
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if (fps > ARRAY_SIZE(std_625_50))
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fps = 25;
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i = std_625_50[fps];
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}
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return map[i];
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}
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