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authorBenny Halevy <benny@tonian.com>2011-06-11 21:08:39 (GMT)
committerTrond Myklebust <Trond.Myklebust@netapp.com>2011-06-15 15:24:28 (GMT)
commitc9c30dd5f73dccaa326a54dfcf490316946aea87 (patch)
treeb7e4f9488c805cf5e29f93b25a75713f3922e823 /fs/nfs/nfs4xdr.c
parent0f66b5984df2fe1617c05900a39a7ef493ca9de9 (diff)
downloadlinux-c9c30dd5f73dccaa326a54dfcf490316946aea87.tar.xz
NFSv4.1: deprecate headerpadsz in CREATE_SESSION
We don't support header padding yet so better off ditching it Reported-by: Sid Moore <learnmost@gmail.com> Signed-off-by: Benny Halevy <benny@tonian.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfs4xdr.c')
-rw-r--r--fs/nfs/nfs4xdr.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index d869a5e..c4b7d6c 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -1725,7 +1725,7 @@ static void encode_create_session(struct xdr_stream *xdr,
*p++ = cpu_to_be32(args->flags); /*flags */
/* Fore Channel */
- *p++ = cpu_to_be32(args->fc_attrs.headerpadsz); /* header padding size */
+ *p++ = cpu_to_be32(0); /* header padding size */
*p++ = cpu_to_be32(args->fc_attrs.max_rqst_sz); /* max req size */
*p++ = cpu_to_be32(args->fc_attrs.max_resp_sz); /* max resp size */
*p++ = cpu_to_be32(max_resp_sz_cached); /* Max resp sz cached */
@@ -1734,7 +1734,7 @@ static void encode_create_session(struct xdr_stream *xdr,
*p++ = cpu_to_be32(0); /* rdmachannel_attrs */
/* Back Channel */
- *p++ = cpu_to_be32(args->fc_attrs.headerpadsz); /* header padding size */
+ *p++ = cpu_to_be32(0); /* header padding size */
*p++ = cpu_to_be32(args->bc_attrs.max_rqst_sz); /* max req size */
*p++ = cpu_to_be32(args->bc_attrs.max_resp_sz); /* max resp size */
*p++ = cpu_to_be32(args->bc_attrs.max_resp_sz_cached); /* Max resp sz cached */
@@ -4997,12 +4997,14 @@ static int decode_chan_attrs(struct xdr_stream *xdr,
struct nfs4_channel_attrs *attrs)
{
__be32 *p;
- u32 nr_attrs;
+ u32 nr_attrs, val;
p = xdr_inline_decode(xdr, 28);
if (unlikely(!p))
goto out_overflow;
- attrs->headerpadsz = be32_to_cpup(p++);
+ val = be32_to_cpup(p++); /* headerpadsz */
+ if (val)
+ return -EINVAL; /* no support for header padding yet */
attrs->max_rqst_sz = be32_to_cpup(p++);
attrs->max_resp_sz = be32_to_cpup(p++);
attrs->max_resp_sz_cached = be32_to_cpup(p++);