Re: [PATCH] [media] vcodev: mediatek: add missing include in JPEG decoder driver

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On Sun, 2017-03-12 at 16:13 -0400, Jérémy Lefaure wrote:
> The driver uses kzalloc and kfree functions. So it should include
> linux/slab.h. This header file is implicitly included by v4l2-common.h
> if CONFIG_SPI is enabled. But when it is disabled, slab.h is not
> included. In this case, the driver does not compile:
> 
> drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c: In function ‘mtk_jpeg_open’:
> drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c:1017:8: error: implicit
> declaration of function ‘kzalloc’
> [-Werror=implicit-function-declaration]
>   ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
>         ^~~~~~~
> drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c:1017:6: warning:
> assignment makes pointer from integer without a cast [-Wint-conversion]
>   ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
>       ^
> drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c:1047:2: error: implicit
> declaration of function ‘kfree’ [-Werror=implicit-function-declaration]
>   kfree(ctx);
>   ^~~~~
> 
> This patch adds the missing include to fix this issue.
> 
> Signed-off-by: Jérémy Lefaure <jeremy.lefaure@xxxxxxxxxxxx>
> ---
>  drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c | 1 +
>  1 file changed, 1 insertion(+)

Acked-by: Rick Chang <rick.chang@xxxxxxxxxxxx>





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