Date: Fri, 5 Jun 2009 16:44:42 +0000 (UTC) From: Joe Marcus Clarke <marcus@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r193518 - head/sys/kern Message-ID: <200906051644.n55Gigtw031500@svn.freebsd.org>
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Author: marcus (doc,ports committer) Date: Fri Jun 5 16:44:42 2009 New Revision: 193518 URL: http://svn.freebsd.org/changeset/base/193518 Log: Unlock the cache lock before returning when we run out of buffer space trying to fill in the full path name. Reported by: David Naylor <naylor.b.david@gmail.com> Approved by: kib Modified: head/sys/kern/vfs_cache.c Modified: head/sys/kern/vfs_cache.c ============================================================================== --- head/sys/kern/vfs_cache.c Fri Jun 5 16:43:47 2009 (r193517) +++ head/sys/kern/vfs_cache.c Fri Jun 5 16:44:42 2009 (r193518) @@ -1140,8 +1140,10 @@ vn_fullpath1(struct thread *td, struct v error = vn_vptocnp_locked(&vp, buf, &buflen); if (error) return (error); - if (buflen == 0) + if (buflen == 0) { + CACHE_RUNLOCK(); return (ENOMEM); + } buf[--buflen] = '/'; slash_prefixed = 1; } @@ -1169,6 +1171,7 @@ vn_fullpath1(struct thread *td, struct v if (error) break; if (buflen == 0) { + CACHE_RUNLOCK(); error = ENOMEM; SDT_PROBE(vfs, namecache, fullpath, return, error, startvp, NULL, 0, 0);
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