From: Roy Marples <roy@marples.name>
Date: Sat, 12 Dec 2020 17:34:31 +0000 (+0000)
Subject: link: Report errors obtaining recv buffer size on link overflow
X-Git-Tag: v9.4.0~16
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c81acbb4e5be6e1bf511f97308f42242638c9956;p=thirdparty%2Fdhcpcd.git

link: Report errors obtaining recv buffer size on link overflow
---

diff --git a/src/dhcpcd.c b/src/dhcpcd.c
index e033a827..3acf72c3 100644
--- a/src/dhcpcd.c
+++ b/src/dhcpcd.c
@@ -1207,8 +1207,10 @@ dhcpcd_linkoverflow(struct dhcpcd_ctx *ctx)
 
 	socklen = sizeof(rcvbuflen);
 	if (getsockopt(ctx->link_fd, SOL_SOCKET,
-	    SO_RCVBUF, &rcvbuflen, &socklen) == -1)
+	    SO_RCVBUF, &rcvbuflen, &socklen) == -1) {
+		logerr("%s: getsockopt", __func__);
 		rcvbuflen = 0;
+	}
 #ifdef __linux__
 	else
 		rcvbuflen /= 2;