-stable review patch. If anyone has any objections, please let us know.
---------------------
From: Trond Myklebust <[email protected]>
upstream commit: 8340437210390676f687633a80e3748c40885dc8
Commit ae46141ff08f1965b17c531b571953c39ce8b9e2 (NFSv3: Fix posix ACL code)
introduces a bug in the calculation of the XDR header iovec. In the case
where we are inlining the acls, we need to adjust the length of the iovec
req->rq_svec, in addition to adjusting the total buffer length.
Tested-by: Leonardo Chiquitto <[email protected]>
Tested-by: Suresh Jayaraman <[email protected]>
Signed-off-by: Trond Myklebust <[email protected]>
Cc: [email protected]
Signed-off-by: Linus Torvalds <[email protected]>
Signed-off-by: Chris Wright <[email protected]>
---
fs/nfs/nfs3xdr.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/fs/nfs/nfs3xdr.c
+++ b/fs/nfs/nfs3xdr.c
@@ -716,7 +716,8 @@ nfs3_xdr_setaclargs(struct rpc_rqst *req
if (args->npages != 0)
xdr_encode_pages(buf, args->pages, 0, args->len);
else
- req->rq_slen += args->len;
+ req->rq_slen = xdr_adjust_iovec(req->rq_svec,
+ p + XDR_QUADLEN(args->len));
err = nfsacl_encode(buf, base, args->inode,
(args->mask & NFS_ACL) ?