Date: Tue, 25 Apr 2017 12:07:04 +0000 (UTC) From: Rick Macklem <rmacklem@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r317406 - stable/10/sys/fs/nfsclient Message-ID: <201704251207.v3PC74fr057927@repo.freebsd.org>
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Author: rmacklem Date: Tue Apr 25 12:07:04 2017 New Revision: 317406 URL: https://svnweb.freebsd.org/changeset/base/317406 Log: MFC: r316655 Fix parsing failure for NFSv4 Setattr operation for failed case. If an operation that preceeds a Setattr in an NFSv4 compound fails, there is no bitmap of attributes to parse. Without this patch, the parsing would fail and return EBADRPC instead of the correct failure error. This could break recovery from a server crash/reboot. Modified: stable/10/sys/fs/nfsclient/nfs_clrpcops.c Directory Properties: stable/10/ (props changed) Modified: stable/10/sys/fs/nfsclient/nfs_clrpcops.c ============================================================================== --- stable/10/sys/fs/nfsclient/nfs_clrpcops.c Tue Apr 25 11:59:23 2017 (r317405) +++ stable/10/sys/fs/nfsclient/nfs_clrpcops.c Tue Apr 25 12:07:04 2017 (r317406) @@ -1187,7 +1187,7 @@ nfsrpc_setattrrpc(vnode_t vp, struct vat return (error); if (nd->nd_flag & (ND_NFSV3 | ND_NFSV4)) error = nfscl_wcc_data(nd, vp, rnap, attrflagp, NULL, stuff); - if ((nd->nd_flag & ND_NFSV4) && !error) + if ((nd->nd_flag & (ND_NFSV4 | ND_NOMOREDATA)) == ND_NFSV4 && !error) error = nfsrv_getattrbits(nd, &attrbits, NULL, NULL); if (!(nd->nd_flag & ND_NFSV3) && !nd->nd_repstat && !error) error = nfscl_postop_attr(nd, rnap, attrflagp, stuff);
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