linux-kernel - [PATCH 19/52] drm/i915: fix unused var

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Date:	Thu, 14 Jan 2010 14:26:58 -0800
From:	Greg Kroah-Hartman <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org,
	stable-review@...nel.org
Cc:	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Eric Anholt <eric@...olt.net>, Dave Airlie <airlied@...ux.ie>,
	Greg Kroah-Hartman <gregkh@...e.de>
Subject: [PATCH 19/52] drm/i915: fix unused var

From: Andrew Morton <akpm@...ux-foundation.org>

commit 29bd0ae25f8cb96b63560c2cbccec77b425e1603 upstream.

drivers/gpu/drm/i915/i915_dma.c: In function 'i915_driver_load':
drivers/gpu/drm/i915/i915_dma.c:1114: warning: 'll_base' may be used uninitialized in this function

Partly this is because gcc isn't smart enough.  But `ll_base' does get used
uninitialised in the DRM_DEBUG() call.

Cc: Jesse Barnes <jbarnes@...tuousgeek.org>
Cc: Eric Anholt <eric@...olt.net>
Cc: Dave Airlie <airlied@...ux.ie>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Eric Anholt <eric@...olt.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
---
 drivers/gpu/drm/i915/i915_dma.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 4a553ad..bc2db7d 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1111,7 +1111,8 @@ static void i915_setup_compression(struct drm_device *dev, int size)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct drm_mm_node *compressed_fb, *compressed_llb;
-	unsigned long cfb_base, ll_base;
+	unsigned long cfb_base;
+	unsigned long ll_base = 0;
 
 	/* Leave 1M for line length buffer & misc. */
 	compressed_fb = drm_mm_search_free(&dev_priv->vram, size, 4096, 0);
-- 
1.6.6

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