From ddba20c8451afbccb68592251cf63b8747890b30 Mon Sep 17 00:00:00 2001
From: zsq <zsq@rock-chips.com>
Date: Thu, 7 Mar 2013 09:04:56 +0800
Subject: [PATCH] fix rga mmu map process lock bug
---
drivers/video/rockchip/rga/rga_mmu_info.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/video/rockchip/rga/rga_mmu_info.c b/drivers/video/rockchip/rga/rga_mmu_info.c
index fc017fe9b748..e5b338f0abc3 100755
--- a/drivers/video/rockchip/rga/rga_mmu_info.c
+++ b/drivers/video/rockchip/rga/rga_mmu_info.c
@@ -323,6 +323,7 @@ static int rga_MapUserMemory(struct page **pages,
pte = pte_offset_map_lock(current->mm, pmd, (Memory + i) << PAGE_SHIFT, &ptl);
if (!pte)
{
+ pte_unmap_unlock(pte, ptl);
break;
}
}
--
2.34.1