Date: Sat, 28 Feb 2009 10:53:20 +0000 (UTC) From: Edward Tomasz Napierala <trasz@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-7@freebsd.org Subject: svn commit: r189157 - in stable/7/sys: . cam contrib/pf dev/ath/ath_hal dev/cxgb Message-ID: <200902281053.n1SArKi5006754@svn.freebsd.org>
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Author: trasz Date: Sat Feb 28 10:53:20 2009 New Revision: 189157 URL: http://svn.freebsd.org/changeset/base/189157 Log: MFC r187649: Guard against NULL pointer dereference. Reviewed by: scottl Approved by: rwatson (mentor) Sponsored by: FreeBSD Foundation Found with: Coverity Prevent(tm) CID: 130 Modified: stable/7/sys/ (props changed) stable/7/sys/cam/cam_periph.c stable/7/sys/contrib/pf/ (props changed) stable/7/sys/dev/ath/ath_hal/ (props changed) stable/7/sys/dev/cxgb/ (props changed) Modified: stable/7/sys/cam/cam_periph.c ============================================================================== --- stable/7/sys/cam/cam_periph.c Sat Feb 28 10:50:59 2009 (r189156) +++ stable/7/sys/cam/cam_periph.c Sat Feb 28 10:53:20 2009 (r189157) @@ -171,6 +171,10 @@ cam_periph_alloc(periph_ctor_t *periph_c break; } xpt_unlock_buses(); + if (p_drv == NULL) { + printf("cam_periph_alloc: invalid periph name '%s'\n", name); + return (CAM_REQ_INVALID); + } sim = xpt_path_sim(path); path_id = xpt_path_path_id(path);
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