Date: Sat, 16 Apr 2011 12:45:09 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org Subject: svn commit: r220717 - stable/8/sys/fs/fdescfs Message-ID: <201104161245.p3GCj9F3005539@svn.freebsd.org>
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Author: kib Date: Sat Apr 16 12:45:09 2011 New Revision: 220717 URL: http://svn.freebsd.org/changeset/base/220717 Log: MFC r220506: Implement a workaround for fdescfs to not panic when ncookies is not NULL. PR: kern/156177 Modified: stable/8/sys/fs/fdescfs/fdesc_vnops.c Directory Properties: stable/8/sys/ (props changed) stable/8/sys/amd64/include/xen/ (props changed) stable/8/sys/cddl/contrib/opensolaris/ (props changed) stable/8/sys/contrib/dev/acpica/ (props changed) stable/8/sys/contrib/pf/ (props changed) Modified: stable/8/sys/fs/fdescfs/fdesc_vnops.c ============================================================================== --- stable/8/sys/fs/fdescfs/fdesc_vnops.c Sat Apr 16 12:43:04 2011 (r220716) +++ stable/8/sys/fs/fdescfs/fdesc_vnops.c Sat Apr 16 12:45:09 2011 (r220717) @@ -500,16 +500,12 @@ fdesc_readdir(ap) struct dirent *dp = &d; int error, i, off, fcnt; - /* - * We don't allow exporting fdesc mounts, and currently local - * requests do not need cookies. - */ - if (ap->a_ncookies) - panic("fdesc_readdir: not hungry"); - if (VTOFDESC(ap->a_vp)->fd_type != Froot) panic("fdesc_readdir: not dir"); + if (ap->a_ncookies != NULL) + *ap->a_ncookies = 0; + off = (int)uio->uio_offset; if (off != uio->uio_offset || off < 0 || (u_int)off % UIO_MX != 0 || uio->uio_resid < UIO_MX)
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