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i915, debugfs: Fix uninitialized warning

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gcc complains that:

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

but it can't see that we're going to use val only in the success case.
So shut it up.

Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: David Airlie <airlied@linux.ie>
Cc: intel-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Borislav Petkov 2013-11-21 16:49:46 +01:00 committed by Daniel Vetter
parent 3458122e27
commit 432f3342e0
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/i915_debugfs.c
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@ -2349,7 +2349,7 @@ 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; /* shut up gcc */
int ret;
if (pipe_crc->source == source)