Re: [PATCH] drm/omap: fix memory leak when FB init fails

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Hi Tomi,

Thank you for the patch.

On Friday 04 Aug 2017 12:24:10 Tomi Valkeinen wrote:
> omap_framebuffer_create() fails to unref all the gem objects if creating
> the FB fails, leading to a memory leak.
> 
> Fix the loop so that it goes through all the reffed gem objects.
> 
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
> ---
>  drivers/gpu/drm/omapdrm/omap_fb.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/omapdrm/omap_fb.c
> b/drivers/gpu/drm/omapdrm/omap_fb.c index ddf7a457951b..b1a762b70cbf 100644
> --- a/drivers/gpu/drm/omapdrm/omap_fb.c
> +++ b/drivers/gpu/drm/omapdrm/omap_fb.c
> @@ -379,7 +379,7 @@ struct drm_framebuffer *omap_framebuffer_create(struct
> drm_device *dev, return fb;
> 
>  error:
> -	while (--i > 0)
> +	while (--i >= 0)

How about i-- > 0 ? That way we could make i an unsigned int as it should be, 
given that a negative array index doesn't make sense here.

>  		drm_gem_object_unreference_unlocked(bos[i]);
> 
>  	return fb;

-- 
Regards,

Laurent Pinchart

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