From d2bc7754a226c031b76184277e32c4d65a763f67 Mon Sep 17 00:00:00 2001
From: John Baldwin <jhb@FreeBSD.org>
Date: Wed, 15 Sep 2021 09:03:17 -0700
Subject: [PATCH] Assert that invalid bus widths can't be passed to
 bus_width_str().

This appeases a -Wreturn-type warning from GCC.

Reviewed by:	imp
Differential Revision:	https://reviews.freebsd.org/D31935
---
 sys/cam/mmc/mmc_da.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sys/cam/mmc/mmc_da.c b/sys/cam/mmc/mmc_da.c
index e41792dcebc..4212e2aa805 100644
--- a/sys/cam/mmc/mmc_da.c
+++ b/sys/cam/mmc/mmc_da.c
@@ -1178,6 +1178,8 @@ static inline const char
 		return ("4-bit");
 	case bus_width_8:
 		return ("8-bit");
+	default:
+		__assert_unreachable();
 	}
 }