[1/2] NFSv4: fix getacl head length estimation
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Message ID 20170223195338.GG9417@parsley.fieldses.org
State New
Headers show

Commit Message

J. Bruce Fields Feb. 23, 2017, 7:53 p.m. UTC
From: "J. Bruce Fields" <bfields@redhat.com>

Bitmap and attrlen follow immediately after the op reply header.  This
was an oversight from commit bf118a342f.

Consequences of this are just minor efficiency (extra calls to
xdr_shrink_bufhead).

Fixes: bf118a342f10 "NFSv4: include bitmap in nfsv4 get acl data"
Reviewed-by: Kinglong Mee <kinglongmee@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
---
 fs/nfs/nfs4xdr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch
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diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index e9255cb453e6..bb95dd2edeef 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -2524,7 +2524,7 @@  static void nfs4_xdr_enc_getacl(struct rpc_rqst *req, struct xdr_stream *xdr,
 	encode_compound_hdr(xdr, req, &hdr);
 	encode_sequence(xdr, &args->seq_args, &hdr);
 	encode_putfh(xdr, args->fh, &hdr);
-	replen = hdr.replen + op_decode_hdr_maxsz + 1;
+	replen = hdr.replen + op_decode_hdr_maxsz;
 	encode_getattr_two(xdr, FATTR4_WORD0_ACL, 0, &hdr);
 
 	xdr_inline_pages(&req->rq_rcv_buf, replen << 2,