linux-kernel - Re: [PATCH] drm/i915: silence compiler warning

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Date:	Wed, 8 Jan 2014 08:35:35 +0100
From:	Daniel Vetter <daniel.vetter@...ll.ch>
To:	Ying Xue <ying.xue@...driver.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	intel-gfx <intel-gfx@...ts.freedesktop.org>
Subject: Re: [PATCH] drm/i915: silence compiler warning

On Wed, Jan 8, 2014 at 2:56 AM, Ying Xue <ying.xue@...driver.com> wrote:
> drivers/gpu/drm/i915/i915_debugfs.c: In function ‘display_crc_ctl_write’:
> drivers/gpu/drm/i915/i915_debugfs.c:2393:2: warning: ‘val’ may be used uninitialized in this function [-Wuninitialized]
> drivers/gpu/drm/i915/i915_debugfs.c:2350:6: note: ‘val’ was declared here
>
> Signed-off-by: Ying Xue <ying.xue@...driver.com>

I already have such a patch in my -next queue, thanks anyway.
-Daniel


> ---
>  drivers/gpu/drm/i915/i915_debugfs.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
> index 6ed45a9..7963ba5 100644
> --- a/drivers/gpu/drm/i915/i915_debugfs.c
> +++ b/drivers/gpu/drm/i915/i915_debugfs.c
> @@ -2347,7 +2347,7 @@ static int pipe_crc_set_source(struct drm_device *dev, enum pipe pipe,
>  {
>         struct drm_i915_private *dev_priv = dev->dev_private;
>         struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[pipe];
> -       u32 val;
> +       u32 val = 0;
>         int ret;
>
>         if (pipe_crc->source == source)
> --
> 1.7.9.5
>



-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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