msm: camera: correct size passed into IOMMU mapping API.

Signed-off-by: Ankit Premrajka <ankitp@codeaurora.org>
diff --git a/drivers/media/video/videobuf2-msm-mem.c b/drivers/media/video/videobuf2-msm-mem.c
index 3b460ef..4159056 100644
--- a/drivers/media/video/videobuf2-msm-mem.c
+++ b/drivers/media/video/videobuf2-msm-mem.c
@@ -168,7 +168,7 @@
 	mem->buffer_type = path;
 	flags = MSM_SUBSYSTEM_MAP_IOVA;
 	mem->subsys_id = MSM_SUBSYSTEM_CAMERA;
-	mem->msm_buffer = msm_subsystem_map_buffer(mem->phyaddr, mem->size,
+	mem->msm_buffer = msm_subsystem_map_buffer(mem->phyaddr, len,
 					flags, &(mem->subsys_id), 1);
 	if (IS_ERR((void *)mem->msm_buffer)) {
 		pr_err("%s: msm_subsystem_map_buffer failed\n", __func__);