nfsd: fix nfsd4_encode_open buffer space reservation

nfsd4_encode_open first reservation is currently for 36 + sizeof(stateid_t)
while it writes after the stateid a cinfo (20 bytes) and 5 more 4-bytes
words, for a total of 40 + sizeof(stateid_t).

Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index d7e4bd50ed3c..ace39349670a 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -2133,7 +2133,7 @@ nfsd4_encode_open(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4_op
         if (nfserr)
                 goto out;
 
-        RESERVE_SPACE(36 + sizeof(stateid_t));
+        RESERVE_SPACE(40 + sizeof(stateid_t));
         WRITE32(open->op_stateid.si_generation);
         WRITEMEM(&open->op_stateid.si_opaque, sizeof(stateid_opaque_t));
         WRITECINFO(open->op_cinfo);