linux-kernel - gma500: mmu: unmap the correct address

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Message-Id: <1509256512-5962-1-git-send-email-bianpan2016@163.com>
Date:   Sun, 29 Oct 2017 13:55:12 +0800
From:   Pan Bian <bianpan2016@....com>
To:     Patrik Jakobsson <patrik.r.jakobsson@...il.com>,
        David Airlie <airlied@...ux.ie>
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Pan Bian <bianpan2016@....com>
Subject: gma500: mmu: unmap the correct address

The function kunmap_atomatic() is called on the same variable twice,
i.e. pt->v. In the second call, its parameter should be variable v
rather than pt->v.

Signed-off-by: Pan Bian <bianpan2016@....com>
---
 drivers/gpu/drm/gma500/mmu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/gma500/mmu.c b/drivers/gpu/drm/gma500/mmu.c
index 0eaf11c..ccb161c 100644
--- a/drivers/gpu/drm/gma500/mmu.c
+++ b/drivers/gpu/drm/gma500/mmu.c
@@ -395,7 +395,7 @@ static void psb_mmu_pt_unmap_unlock(struct psb_mmu_pt *pt)
 			psb_mmu_clflush(pd->driver, (void *)&v[pt->index]);
 			atomic_set(&pd->driver->needs_tlbflush, 1);
 		}
-		kunmap_atomic(pt->v);
+		kunmap_atomic(v);
 		spin_unlock(&pd->driver->lock);
 		psb_mmu_free_pt(pt);
 		return;
-- 
1.9.1