Date: Tue, 21 Feb 2012 19:40:13 +0000 (UTC) From: Mikolaj Golub <trociny@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r231976 - head/sys/kern Message-ID: <201202211940.q1LJeD7g015056@svn.freebsd.org>
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Author: trociny Date: Tue Feb 21 19:40:13 2012 New Revision: 231976 URL: http://svn.freebsd.org/changeset/base/231976 Log: unp_connect() may use a shared lock on the vnode to fetch the socket. Suggested by: jhb Reviewed by: jhb, kib, rwatson MFC after: 2 weeks Modified: head/sys/kern/uipc_usrreq.c Modified: head/sys/kern/uipc_usrreq.c ============================================================================== --- head/sys/kern/uipc_usrreq.c Tue Feb 21 19:35:59 2012 (r231975) +++ head/sys/kern/uipc_usrreq.c Tue Feb 21 19:40:13 2012 (r231976) @@ -1273,8 +1273,8 @@ unp_connect(struct socket *so, struct so UNP_PCB_UNLOCK(unp); sa = malloc(sizeof(struct sockaddr_un), M_SONAME, M_WAITOK); - NDINIT(&nd, LOOKUP, MPSAFE | FOLLOW | LOCKLEAF, UIO_SYSSPACE, buf, - td); + NDINIT(&nd, LOOKUP, MPSAFE | FOLLOW | LOCKSHARED | LOCKLEAF, + UIO_SYSSPACE, buf, td); error = namei(&nd); if (error) vp = NULL;
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