Author: vmaffione
Date: Sat Jul 13 08:08:25 2019
New Revision: 349966
URL: https://svnweb.freebsd.org/changeset/base/349966
Log:
netmap: fix bug introduced by r349752
r349752 introduced a NULL pointer reference bug
in the emulated netmap code.
Reported by: lwhsu
MFC after: 3 days
Modified:
head/sys/dev/netmap/netmap_generic.c
Modified: head/sys/dev/netmap/netmap_generic.c
==============================================================================
--- head/sys/dev/netmap/netmap_generic.c Sat Jul 13 03:39:46 2019
(r349965)
+++ head/sys/dev/netmap/netmap_generic.c Sat Jul 13 08:08:25 2019
(r349966)
@@ -1126,7 +1126,8 @@ generic_netmap_attach(struct ifnet *ifp)
nm_os_generic_set_features(gna);
- nm_prinf("Emulated adapter for %s created (prev was %s)", na->name,
gna->prev->name);
+ nm_prinf("Emulated adapter for %s created (prev was %s)", na->name,
+ gna->prev ? gna->prev->name : "NULL");
return retval;
}
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