Re: [PATCH -next] drm/mgag200: fix error return code in mgag200fb_create()

From: Daniel Vetter
Date: Mon Aug 15 2016 - 12:04:30 EST


On Mon, Aug 15, 2016 at 03:03:51PM +0000, Wei Yongjun wrote:
> Fix to return error code -ENOMEM from the vmalloc() error handling
> case instead of 0, as done elsewhere in this function.
>
> Fixes: aec9e12953e7 ("drm/mgag200: Fix error handling paths in fbdev driver")
> Signed-off-by: Wei Yongjun <weiyj.lk@xxxxxxxxx>

Applied to drm-misc, thanks.
-Daniel

> ---
> drivers/gpu/drm/mgag200/mgag200_fb.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/mgag200/mgag200_fb.c b/drivers/gpu/drm/mgag200/mgag200_fb.c
> index 81325f6..88dd221 100644
> --- a/drivers/gpu/drm/mgag200/mgag200_fb.c
> +++ b/drivers/gpu/drm/mgag200/mgag200_fb.c
> @@ -183,8 +183,10 @@ static int mgag200fb_create(struct drm_fb_helper *helper,
> }
>
> sysram = vmalloc(size);
> - if (!sysram)
> + if (!sysram) {
> + ret = -ENOMEM;
> goto err_sysram;
> + }
>
> info = drm_fb_helper_alloc_fbi(helper);
> if (IS_ERR(info)) {
>

--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch