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| author | allanjude <allanjude@FreeBSD.org> | 2015-09-16 03:03:19 +0000 |
|---|---|---|
| committer | allanjude <allanjude@FreeBSD.org> | 2015-09-16 03:03:19 +0000 |
| commit | 6093eb3b9f4368a35ac09c85817008b52cb55718 (patch) | |
| tree | 403ecfc569560c117334579064ec74e4cc1e6cc6 /sbin/ifconfig/ifconfig.c | |
| parent | 1b75a44eb37ee51b6ae6e06286bd87b446bc6ffe (diff) | |
| download | FreeBSD-src-6093eb3b9f4368a35ac09c85817008b52cb55718.zip FreeBSD-src-6093eb3b9f4368a35ac09c85817008b52cb55718.tar.gz | |
Make ifconfig always exit with an error code if an important ioctl fails
PR: 203062
Arm Twisting by: Kristof Provost
Reviewed by: kp
Approved by: bapt (mentor)
MFC after: 2 weeks
Relnotes: yes
Sponsored by: ScaleEngine Inc.
Sponsored by: vBSDCon
Differential Revision: https://reviews.freebsd.org/D3644
Diffstat (limited to 'sbin/ifconfig/ifconfig.c')
| -rw-r--r-- | sbin/ifconfig/ifconfig.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/sbin/ifconfig/ifconfig.c b/sbin/ifconfig/ifconfig.c index 4a79992..52de660 100644 --- a/sbin/ifconfig/ifconfig.c +++ b/sbin/ifconfig/ifconfig.c @@ -995,7 +995,7 @@ setifmetric(const char *val, int dummy __unused, int s, strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); ifr.ifr_metric = atoi(val); if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) < 0) - warn("ioctl (set metric)"); + err(1, "ioctl SIOCSIFMETRIC (set metric)"); } static void @@ -1005,7 +1005,7 @@ setifmtu(const char *val, int dummy __unused, int s, strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); ifr.ifr_mtu = atoi(val); if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) < 0) - warn("ioctl (set mtu)"); + err(1, "ioctl SIOCSIFMTU (set mtu)"); } static void @@ -1015,15 +1015,12 @@ setifname(const char *val, int dummy __unused, int s, char *newname; newname = strdup(val); - if (newname == NULL) { - warn("no memory to set ifname"); - return; - } + if (newname == NULL) + err(1, "no memory to set ifname"); ifr.ifr_data = newname; if (ioctl(s, SIOCSIFNAME, (caddr_t)&ifr) < 0) { - warn("ioctl (set name)"); free(newname); - return; + err(1, "ioctl SIOCSIFNAME (set name)"); } strlcpy(name, newname, sizeof(name)); free(newname); @@ -1050,7 +1047,7 @@ setifdescr(const char *val, int dummy __unused, int s, } if (ioctl(s, SIOCSIFDESCR, (caddr_t)&ifr) < 0) - warn("ioctl (set descr)"); + err(1, "ioctl SIOCSIFDESCR (set descr)"); free(newdescr); } |
