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nfsd: SUPPATTR_EXCLCREAT must be encoded before SECURITY_LABEL.

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The encode order should be as the bitmask defined order.

Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Kinglong Mee 2015-07-30 21:54:26 +08:00 committed by J. Bruce Fields
parent 6896f15aab
commit 7d580722c9
1 changed files with 7 additions and 6 deletions
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13
fs/nfsd/nfs4xdr.c
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@ -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;