Date: Wed, 22 May 2013 02:15:08 +0000 (UTC) From: Alexander Motin <mav@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r250900 - head/sys/dev/mps Message-ID: <201305220215.r4M2F8sI069334@svn.freebsd.org>
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Author: mav Date: Wed May 22 02:15:07 2013 New Revision: 250900 URL: http://svnweb.freebsd.org/changeset/base/250900 Log: Fix NULL-dereference kernel panic in case of mps_attach() failure. MFC after: 1 week Modified: head/sys/dev/mps/mps_user.c Modified: head/sys/dev/mps/mps_user.c ============================================================================== --- head/sys/dev/mps/mps_user.c Wed May 22 01:03:41 2013 (r250899) +++ head/sys/dev/mps/mps_user.c Wed May 22 02:15:07 2013 (r250900) @@ -208,8 +208,8 @@ mps_detach_user(struct mps_softc *sc) { /* XXX: do a purge of pending requests? */ - destroy_dev(sc->mps_cdev); - + if (sc->mps_cdev != NULL) + destroy_dev(sc->mps_cdev); } static int
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