Date: Tue, 14 Jun 2011 18:54:42 +0000 (UTC) From: John Baldwin <jhb@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: r223093 - stable/7/sys/kern Message-ID: <201106141854.p5EIsgPK047400@svn.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: jhb Date: Tue Jun 14 18:54:42 2011 New Revision: 223093 URL: http://svn.freebsd.org/changeset/base/223093 Log: MFC 222750: Clear the device_t pointer in 'struct resource' when releasing a device as otherwise the sysctl to export rman info can dereference a stale pointer. Modified: stable/7/sys/kern/subr_rman.c Directory Properties: stable/7/sys/ (props changed) stable/7/sys/cddl/contrib/opensolaris/ (props changed) stable/7/sys/contrib/dev/acpica/ (props changed) stable/7/sys/contrib/pf/ (props changed) Modified: stable/7/sys/kern/subr_rman.c ============================================================================== --- stable/7/sys/kern/subr_rman.c Tue Jun 14 18:54:31 2011 (r223092) +++ stable/7/sys/kern/subr_rman.c Tue Jun 14 18:54:42 2011 (r223093) @@ -677,6 +677,7 @@ int_rman_release_resource(struct rman *r * without freeing anything. */ r->r_flags &= ~RF_ALLOCATED; + r->r_dev = NULL; return 0; }
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201106141854.p5EIsgPK047400>