Date: Mon, 15 Jul 2019 20:12:54 +0000 (UTC) From: Vincenzo Maffione <vmaffione@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r350006 - stable/12/sys/dev/netmap Message-ID: <201907152012.x6FKCssH014185@repo.freebsd.org>
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Author: vmaffione Date: Mon Jul 15 20:12:54 2019 New Revision: 350006 URL: https://svnweb.freebsd.org/changeset/base/350006 Log: MFC r349966 netmap: fix bug introduced by r349752 r349752 introduced a NULL pointer reference bug in the emulated netmap code. Reported by: lwhsu Modified: stable/12/sys/dev/netmap/netmap_generic.c Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/dev/netmap/netmap_generic.c ============================================================================== --- stable/12/sys/dev/netmap/netmap_generic.c Mon Jul 15 19:18:25 2019 (r350005) +++ stable/12/sys/dev/netmap/netmap_generic.c Mon Jul 15 20:12:54 2019 (r350006) @@ -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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