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Commit 7d580722 authored by Kinglong Mee's avatar Kinglong Mee Committed by J. Bruce Fields
Browse files

nfsd: SUPPATTR_EXCLCREAT must be encoded before SECURITY_LABEL. 



The encode order should be as the bitmask defined order.

Signed-off-by: default avatarKinglong Mee <kinglongmee@gmail.com>
Signed-off-by: default avatarJ. Bruce Fields <bfields@redhat.com>
parent 6896f15a

fs/nfsd/nfs4xdr.c

+7 −6
Original line number Diff line number Diff line
@@ -2735,12 +2735,6 @@ nfsd4_encode_fattr(struct xdr_stream *xdr, struct svc_fh *fhp, 
		*p++ = cpu_to_be32(stat.blksize);

	}

#endif /* CONFIG_NFSD_PNFS */

	if (bmval2 & FATTR4_WORD2_SECURITY_LABEL) {

		status = nfsd4_encode_security_label(xdr, rqstp, context,

								contextlen);

		if (status)

			goto out;

	}

	if (bmval2 & FATTR4_WORD2_SUPPATTR_EXCLCREAT) {

		p = xdr_reserve_space(xdr, 16);

		if (!p)
@@ -2751,6 +2745,13 @@ nfsd4_encode_fattr(struct xdr_stream *xdr, struct svc_fh *fhp, 
		*p++ = cpu_to_be32(NFSD_SUPPATTR_EXCLCREAT_WORD2);

	}



	if (bmval2 & FATTR4_WORD2_SECURITY_LABEL) {

		status = nfsd4_encode_security_label(xdr, rqstp, context,

								contextlen);

		if (status)

			goto out;

	}



	attrlen = htonl(xdr->buf->len - attrlen_offset - 4);

	write_bytes_to_xdr_buf(xdr->buf, attrlen_offset, &attrlen, 4);

	status = nfs_ok;