diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index 620a917..0abd77f 100644
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -1171,7 +1171,7 @@ int __init chsc_get_cssid_iid(int idx, u8 *cssid, u8 *iid)
 			u8 cssid;
 			u8 iid;
 			u32 : 16;
-		} list[0];
+		} list[];
 	} *sdcal_area;
 	int ret;
 
diff --git a/drivers/s390/cio/chsc.h b/drivers/s390/cio/chsc.h
index 32fa7fa..d1caacb 100644
--- a/drivers/s390/cio/chsc.h
+++ b/drivers/s390/cio/chsc.h
@@ -120,7 +120,7 @@ struct chsc_scpd {
 	u32 zeroes1;
 	struct chsc_header response;
 	u32:32;
-	u8 data[0];
+	u8 data[];
 } __packed __aligned(PAGE_SIZE);
 
 struct chsc_sda_area {