diff --git a/arch/sh/kernel/cpu/sh4/sq.c b/arch/sh/kernel/cpu/sh4/sq.c
index 3008c00eea6b6c269e7fa6bde3e2e43ca4d0f4b8..8250e017bd4eaac43989cfa037be64b4c59688fe 100644
--- a/arch/sh/kernel/cpu/sh4/sq.c
+++ b/arch/sh/kernel/cpu/sh4/sq.c
@@ -263,7 +263,7 @@ struct sq_sysfs_attr {
 	ssize_t (*store)(const char *buf, size_t count);
 };
 
-#define to_sq_sysfs_attr(attr)	container_of(attr, struct sq_sysfs_attr, attr)
+#define to_sq_sysfs_attr(a)	container_of(a, struct sq_sysfs_attr, attr)
 
 static ssize_t sq_sysfs_show(struct kobject *kobj, struct attribute *attr,
 			     char *buf)
diff --git a/drivers/lguest/lguest_device.c b/drivers/lguest/lguest_device.c
index 84f85e23cca7a65a86b3ffa3647953373c5339b3..1b2ec0bf5eb11d9fedfeb65b035e89efe683d013 100644
--- a/drivers/lguest/lguest_device.c
+++ b/drivers/lguest/lguest_device.c
@@ -47,7 +47,7 @@ struct lguest_device {
 /* Since the virtio infrastructure hands us a pointer to the virtio_device all
  * the time, it helps to have a curt macro to get a pointer to the struct
  * lguest_device it's enclosed in.  */
-#define to_lgdev(vdev) container_of(vdev, struct lguest_device, vdev)
+#define to_lgdev(vd) container_of(vd, struct lguest_device, vdev)
 
 /*D:130
  * Device configurations