Date: Tue, 9 Jan 2018 00:00:55 +0000 (UTC) From: Scott Long <scottl@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r327709 - head/sys/cam Message-ID: <201801090000.w0900t4Y068919@repo.freebsd.org>
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Author: scottl Date: Tue Jan 9 00:00:55 2018 New Revision: 327709 URL: https://svnweb.freebsd.org/changeset/base/327709 Log: Protect against a possible NULL deference from an accessor function. Obtained from: Netflix Modified: head/sys/cam/cam_periph.h Modified: head/sys/cam/cam_periph.h ============================================================================== --- head/sys/cam/cam_periph.h Mon Jan 8 22:59:36 2018 (r327708) +++ head/sys/cam/cam_periph.h Tue Jan 9 00:00:55 2018 (r327709) @@ -202,7 +202,10 @@ int cam_periph_error(union ccb *ccb, cam_flags camfla static __inline struct mtx * cam_periph_mtx(struct cam_periph *periph) { - return (xpt_path_mtx(periph->path)); + if (periph != NULL) + return (xpt_path_mtx(periph->path)); + else + return (NULL); } #define cam_periph_owned(periph) \
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