[PATCH] [media] s5p-jpeg: Initialize cb and cr to zero.

Tony K Nadackal tony.kn at samsung.com
Sun Jan 4 21:13:08 PST 2015


Gentle Reminder.

Thanks,
Tony

> -----Original Message-----
> From: Tony K Nadackal [mailto:tony.kn at samsung.com]
> Sent: Wednesday, December 17, 2014 12:51 PM
> To: linux-media at vger.kernel.org; linux-arm-kernel at lists.infradead.org; linux-
> samsung-soc at vger.kernel.org
> Cc: mchehab at osg.samsung.com; j.anaszewski at samsung.com;
> kgene at kernel.org; k.debski at samsung.com; s.nawrocki at samsung.com;
> bhushan.r at samsung.com; Tony K Nadackal
> Subject: [PATCH] [media] s5p-jpeg: Initialize cb and cr to zero.
> 
> To avoid garbage value written into image base address planes, initialize cb
and cr
> of structure s5p_jpeg_addr to zero.
> 
> Signed-off-by: Tony K Nadackal <tony.kn at samsung.com>
> ---
> This patch is created and tested on top of linux-next-20141210.
> It can be cleanly applied on media-next and kgene/for-next.
> 
>  drivers/media/platform/s5p-jpeg/jpeg-core.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/media/platform/s5p-jpeg/jpeg-core.c
> b/drivers/media/platform/s5p-jpeg/jpeg-core.c
> index 91bd3e6..54fa5d9 100644
> --- a/drivers/media/platform/s5p-jpeg/jpeg-core.c
> +++ b/drivers/media/platform/s5p-jpeg/jpeg-core.c
> @@ -1845,6 +1845,9 @@ static void exynos4_jpeg_set_img_addr(struct
> s5p_jpeg_ctx *ctx)
>  	struct s5p_jpeg_addr jpeg_addr;
>  	u32 pix_size, padding_bytes = 0;
> 
> +	jpeg_addr.cb = 0;
> +	jpeg_addr.cr = 0;
> +
>  	pix_size = ctx->cap_q.w * ctx->cap_q.h;
> 
>  	if (ctx->mode == S5P_JPEG_ENCODE) {
> --
> 2.2.0




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