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authorRon Yorston <rmy@frippery.org>2016-01-15 09:39:44 +0000
committerRich Felker <dalias@aerifal.cx>2016-01-17 17:33:49 -0500
commit3cdbfb99c3beda1e04efcc94f0af2abc8dc5d4ad (patch)
treef144fe52580b92edbd5bba528925d52caad3a250
parent2f853dd6b9a95d5b13ee8f9df762125e0588df5d (diff)
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fix if_nametoindex return value when socket open fails
The return value of if_nametoindex is unsigned; it should return 0
on error.
-rw-r--r--src/network/if_nametoindex.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/network/if_nametoindex.c b/src/network/if_nametoindex.c
index cb6ec054..331413c6 100644
--- a/src/network/if_nametoindex.c
+++ b/src/network/if_nametoindex.c
@@ -10,7 +10,7 @@ unsigned if_nametoindex(const char *name)
 	struct ifreq ifr;
 	int fd, r;
 
-	if ((fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0)) < 0) return -1;
+	if ((fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0)) < 0) return 0;
 	strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name);
 	r = ioctl(fd, SIOCGIFINDEX, &ifr);
 	__syscall(SYS_close, fd);