linux-kernel - [PATCH] fix bug in function gen8_ppgtt_clear_range, passed wrong ptr to kunmap

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Message-Id: <1460206830-2536-1-git-send-email-enpengxu@gmail.com>
Date:	Sat,  9 Apr 2016 09:00:30 -0400
From:	enpengxu <enpengxu@...il.com>
To:	daniel.vetter@...el.com
Cc:	jani.nikula@...ux.intel.com, airlied@...ux.ie,
	intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org, Enpeng Xu <enpengxu@...il.com>
Subject: [PATCH] fix bug in function gen8_ppgtt_clear_range, passed wrong ptr to kunmap_px.

From: Enpeng Xu <enpengxu@...il.com>

Signed-off-by: Enpeng Xu <enpengxu@...il.com>
---
 drivers/gpu/drm/i915/i915_gem_gtt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 49e4f26..527eca7 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -746,7 +746,7 @@ static void gen8_ppgtt_clear_pte_range(struct i915_address_space *vm,
 			num_entries--;
 		}
 
-		kunmap_px(ppgtt, pt);
+		kunmap_px(ppgtt, pt_vaddr);
 
 		pte = 0;
 		if (++pde == I915_PDES) {
-- 
2.1.0