fix rga mmu map process lock bug

diff --git a/drivers/video/rockchip/rga/rga_mmu_info.c b/drivers/video/rockchip/rga/rga_mmu_info.c
index fc017fe9b748b90f65e7a4116d5e10430cb731c1..e5b338f0abc3838a84bb57202a182f20e1df413e 100755 (executable)
--- 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);\r
                                 if (!pte)\r
                                 {\r
+                                    pte_unmap_unlock(pte, ptl);\r
                                     break;\r
                                 }\r
                             }\r