drivers: video: rockchip: vcodec_dma_map_sg maybe fail

[firefly-linux-kernel-4.4.55.git] / drivers / base / dma-mapping.c

diff --git a/drivers/base/dma-mapping.c b/drivers/base/dma-mapping.c
index d95c5971c2256f20f473d5744b01fc54bbf9acf2..a00f7b79202b306f38229ea4a17d6f4aa61a0bd5 100644 (file)
--- a/drivers/base/dma-mapping.c
+++ b/drivers/base/dma-mapping.c
@@ -335,7 +335,7 @@ void dma_common_free_remap(void *cpu_addr, size_t size, unsigned long vm_flags)
                return;
        }
 
-       unmap_kernel_range((unsigned long)cpu_addr, size);
+       unmap_kernel_range((unsigned long)cpu_addr, PAGE_ALIGN(size));
        vunmap(cpu_addr);
 }
 #endif