Date: Sun, 19 Feb 2017 16:08:58 +0000 (UTC) From: Edward Tomasz Napierala <trasz@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r313943 - head/sbin/mdconfig Message-ID: <201702191608.v1JG8wAN068829@repo.freebsd.org>
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Author: trasz Date: Sun Feb 19 16:08:58 2017 New Revision: 313943 URL: https://svnweb.freebsd.org/changeset/base/313943 Log: Make mdconfig(8) not segfault when the kernel returns garbage data. MFC after: 2 weeks Sponsored by: DARPA, AFRL Modified: head/sbin/mdconfig/mdconfig.c Modified: head/sbin/mdconfig/mdconfig.c ============================================================================== --- head/sbin/mdconfig/mdconfig.c Sun Feb 19 14:53:59 2017 (r313942) +++ head/sbin/mdconfig/mdconfig.c Sun Feb 19 16:08:58 2017 (r313943) @@ -452,8 +452,8 @@ md_list(const char *units, int opt, cons } gc = &pp->lg_config; type = geom_config_get(gc, "type"); - if (strcmp(type, "vnode") == 0 || - strcmp(type, "preload") == 0) { + if (type != NULL && (strcmp(type, "vnode") == 0 || + strcmp(type, "preload") == 0)) { file = geom_config_get(gc, "file"); if (fflag != NULL && strcmp(fflag, file) != 0)
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