From: Florian Weimer <fweimer@redhat.com>
Date: Mon, 22 Nov 2021 13:41:14 +0000 (+0100)
Subject: socket: Do not use AF_NETLINK in __opensock
X-Git-Tag: glibc-2.35~318
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3d981795cd00cc9b73c3ee5087c308361acd62e5;p=thirdparty%2Fglibc.git

socket: Do not use AF_NETLINK in __opensock

It is not possible to use interface ioctls with netlink sockets
on all Linux kernels.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
---

diff --git a/socket/opensock.c b/socket/opensock.c
index ff94d27a61b..3e35821f916 100644
--- a/socket/opensock.c
+++ b/socket/opensock.c
@@ -24,17 +24,10 @@
 int
 __opensock (void)
 {
-  /* SOCK_DGRAM is supported by all address families.  (Netlink does
-     not support SOCK_STREAM.)  */
+  /* SOCK_DGRAM is supported by all address families.  */
   int type = SOCK_DGRAM | SOCK_CLOEXEC;
   int fd;
 
-#ifdef AF_NETLINK
-  fd = __socket (AF_NETLINK, type, 0);
-  if (fd >= 0)
-    return fd;
-#endif
-
   fd = __socket (AF_UNIX, type, 0);
   if (fd >= 0)
     return fd;