From 40c4557bee27adb15bb376803dffbcd6de323b8a Mon Sep 17 00:00:00 2001
From: Toomas Soome <tsoome@FreeBSD.org>
Date: Tue, 29 Dec 2020 22:59:01 +0200
Subject: [PATCH] cxgbe: replace zero sized array by flexible array

The issue was found while building cxgbe with gcc 10 (in illumos),
the array subscription check is warning us about outside the bounds
access.

See also: https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html
---
 sys/dev/cxgbe/common/t4_msg.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sys/dev/cxgbe/common/t4_msg.h b/sys/dev/cxgbe/common/t4_msg.h
index 447cc07b7dc5..143cec216423 100644
--- a/sys/dev/cxgbe/common/t4_msg.h
+++ b/sys/dev/cxgbe/common/t4_msg.h
@@ -2862,7 +2862,7 @@ struct ulptx_sgl {
 	__be32 len0;
 	__be64 addr0;
 #if !(defined C99_NOT_SUPPORTED)
-	struct ulptx_sge_pair sge[0];
+	struct ulptx_sge_pair sge[];
 #endif
 };
 
@@ -2876,7 +2876,7 @@ struct ulptx_isgl {
 	__be32 cmd_nisge;
 	__be32 rsvd;
 #if !(defined C99_NOT_SUPPORTED)
-	struct ulptx_isge sge[0];
+	struct ulptx_isge sge[];
 #endif
 };