Date: Fri, 19 Aug 2016 19:19:17 +0000 (UTC) From: Bryan Drewery <bdrewery@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-releng@freebsd.org Subject: svn commit: r304495 - releng/11.0/sys/dev/filemon Message-ID: <201608191919.u7JJJHs6060909@repo.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: bdrewery Date: Fri Aug 19 19:19:17 2016 New Revision: 304495 URL: https://svnweb.freebsd.org/changeset/base/304495 Log: MFS r304474: MFC r304008: Avoid taking PROC_LOCK in syscalls if not being traced. Approved by: re (XXX) Modified: releng/11.0/sys/dev/filemon/filemon.c Directory Properties: releng/11.0/ (props changed) Modified: releng/11.0/sys/dev/filemon/filemon.c ============================================================================== --- releng/11.0/sys/dev/filemon/filemon.c Fri Aug 19 19:16:10 2016 (r304494) +++ releng/11.0/sys/dev/filemon/filemon.c Fri Aug 19 19:19:17 2016 (r304495) @@ -137,6 +137,8 @@ filemon_proc_get(struct proc *p) { struct filemon *filemon; + if (p->p_filemon == NULL) + return (NULL); PROC_LOCK(p); filemon = filemon_acquire(p->p_filemon); PROC_UNLOCK(p);
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201608191919.u7JJJHs6060909>