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authorcinap_lenrek <cinap_lenrek@felloff.net>2018-05-14 19:18:13 +0200
committercinap_lenrek <cinap_lenrek@felloff.net>2018-05-14 19:18:13 +0200
commitc9bb6f68ebdfcdb4682aa2eb7d16419863768449 (patch)
treea09ebc9f91994af561438fefbed1352cf8b18936
parent19d6a98038953b27f539e1fd2187b7cfec9b108d (diff)
downloadplan9front-c9bb6f68ebdfcdb4682aa2eb7d16419863768449.tar.xz
devip: don't set mtu of interface to zero when not specified (thanks joe9)
change 9f74a951ae6a introduced a bug that set the mtu of a new interface to 0 when not specified in the add ctl.
-rw-r--r--sys/src/9/ip/ipifc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/src/9/ip/ipifc.c b/sys/src/9/ip/ipifc.c
index d0d0557a9..44bc51cc0 100644
--- a/sys/src/9/ip/ipifc.c
+++ b/sys/src/9/ip/ipifc.c
@@ -507,7 +507,7 @@ ipifcadd(Ipifc *ifc, char **argv, int argc, int tentative, Iplifc *lifcp)
return up->errstr;
}
- if(mtu >= ifc->m->mintu && mtu <= ifc->m->maxtu)
+ if(mtu > 0 && mtu >= ifc->m->mintu && mtu <= ifc->m->maxtu)
ifc->maxtu = mtu;
/* ignore if this is already a local address for this ifc */