From: Philippe Guibert <philippe.guibert@6wind.com>
Date: Mon, 26 Feb 2018 08:14:50 +0000 (+0100)
Subject: lib: do not use ENOSYS errno when returning from ns
X-Git-Tag: frr-5.0-dev~209^2~2
X-Git-Url: https://git.puffer.fish/?a=commitdiff_plain;h=281da0a94dcd14d4f628026ffd628c08df5104f1;p=matthieu%2Ffrr.git

lib: do not use ENOSYS errno when returning from ns

ENOSYS should not be used for other goals.

Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
---

diff --git a/lib/netns_linux.c b/lib/netns_linux.c
index c2282f844c..0e955bade9 100644
--- a/lib/netns_linux.c
+++ b/lib/netns_linux.c
@@ -67,7 +67,7 @@ static inline int setns(int fd, int nstype)
 #ifdef __NR_setns
 	return syscall(__NR_setns, fd, nstype);
 #else
-	errno = ENOSYS;
+	errno = EINVAL;
 	return -1;
 #endif
 }
@@ -480,7 +480,7 @@ int ns_switch_to_netns(const char *name)
 		return -1;
 	fd = open(name, O_RDONLY);
 	if (fd == -1) {
-		errno = ENOSYS;
+		errno = EINVAL;
 		return -1;
 	}
 	ret = setns(fd, CLONE_NEWNET);
@@ -512,7 +512,7 @@ int ns_socket(int domain, int type, int protocol, ns_id_t ns_id)
 	int ret;
 
 	if (!ns || !ns_is_enabled(ns)) {
-		errno = ENOSYS;
+		errno = EINVAL;
 		return -1;
 	}
 	if (have_netns()) {