Date: Fri, 23 Jan 2009 21:05:17 +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: r187650 - head/sys/cam Message-ID: <200901232105.n0NL5H7P054269@svn.freebsd.org>
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Author: trasz Date: Fri Jan 23 21:05:16 2009 New Revision: 187650 URL: http://svn.freebsd.org/changeset/base/187650 Log: Guard against NULL pointer dereference. Reviewed by: scottl Approved by: rwatson (mentor) Sponsored by: FreeBSD Foundation Found with: Coverity Prevent(tm) CID: 1847 Modified: head/sys/cam/cam_xpt.c Modified: head/sys/cam/cam_xpt.c ============================================================================== --- head/sys/cam/cam_xpt.c Fri Jan 23 21:03:59 2009 (r187649) +++ head/sys/cam/cam_xpt.c Fri Jan 23 21:05:16 2009 (r187650) @@ -4177,7 +4177,10 @@ xpt_path_string(struct cam_path *path, c { struct sbuf sb; - mtx_assert(path->bus->sim->mtx, MA_OWNED); +#ifdef INVARIANTS + if (path != NULL && path->bus != NULL && path->bus->sim != NULL) + mtx_assert(path->bus->sim->mtx, MA_OWNED); +#endif sbuf_new(&sb, str, str_len, 0);
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