awalls at radix
Mar 18, 2010, 4:37 AM
Post #1 of 1
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Re: [patch] ivtv: sizeof() => ARRAY_SIZE()
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On Wed, 2010-03-17 at 18:11 +0300, Dan Carpenter wrote:
> This fixes a smatch warning:
> drivers/media/video/ivtv/ivtv-vbi.c +138 ivtv_write_vbi(43)
> error: buffer overflow 'vi->cc_payload' 256 <= 1023
>
> Signed-off-by: Dan Carpenter <error27 [at] gmail>
Looks good.
Reviewed-by: Andy Walls <awalls [at] radix>
And, if needed
Signed-off-by: Andy Walls <awalls [at] radix>
Regards,
Andy
> diff --git a/drivers/media/video/ivtv/ivtv-vbi.c b/drivers/media/video/ivtv/ivtv-vbi.c
> index f420d31..d73af45 100644
> --- a/drivers/media/video/ivtv/ivtv-vbi.c
> +++ b/drivers/media/video/ivtv/ivtv-vbi.c
> @@ -134,7 +134,7 @@ void ivtv_write_vbi(struct ivtv *itv, const struct v4l2_sliced_vbi_data *sliced,
> }
> }
> }
> - if (found_cc && vi->cc_payload_idx < sizeof(vi->cc_payload)) {
> + if (found_cc && vi->cc_payload_idx < ARRAY_SIZE(vi->cc_payload)) {
> vi->cc_payload[vi->cc_payload_idx++] = cc;
> set_bit(IVTV_F_I_UPDATE_CC, &itv->i_flags);
> }
>
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