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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>
(cherry picked from commit 3d981795cd)
This commit is contained in:
Florian Weimer 2021-11-22 14:41:14 +01:00
parent 9495d729f6
commit 55446dd8a2
1 changed files with 1 additions and 8 deletions
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9
socket/opensock.c
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@ -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;