git: 927aa5fefd4c - main - bhyve: Fix getaddrinfo() error handling

From: Mark Johnston <markj_at_FreeBSD.org>
Date: Tue, 08 Feb 2022 18:36:48 UTC
The branch main has been updated by markj:

URL: https://cgit.FreeBSD.org/src/commit/?id=927aa5fefd4c69e72d44189a04fadf80e42d0ad8

commit 927aa5fefd4c69e72d44189a04fadf80e42d0ad8
Author:     Mark Johnston <markj@FreeBSD.org>
AuthorDate: 2022-02-08 17:34:03 +0000
Commit:     Mark Johnston <markj@FreeBSD.org>
CommitDate: 2022-02-08 17:40:41 +0000

    bhyve: Fix getaddrinfo() error handling
    
    - Use errx() since errno will not be set.
    - Print the message returned by gai_strerror().
    
    MFC after:      1 week
    Sponsored by:   The FreeBSD Foundation
---
 usr.sbin/bhyve/gdb.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/usr.sbin/bhyve/gdb.c b/usr.sbin/bhyve/gdb.c
index 0cee1c8f9543..3842a1d58dec 100644
--- a/usr.sbin/bhyve/gdb.c
+++ b/usr.sbin/bhyve/gdb.c
@@ -1858,8 +1858,9 @@ init_gdb(struct vmctx *_ctx)
 	hints.ai_socktype = SOCK_STREAM;
 	hints.ai_flags = AI_NUMERICSERV | AI_PASSIVE;
 
-	if (getaddrinfo(saddr, sport, &hints, &gdbaddr) != 0)
-		err(1, "gdb address resolve");
+	error = getaddrinfo(saddr, sport, &hints, &gdbaddr);
+	if (error != 0)
+		errx(1, "gdb address resolution: %s", gai_strerror(error));
 
 	ctx = _ctx;
 	s = socket(gdbaddr->ai_family, gdbaddr->ai_socktype, 0);