From a9f7b4a06c9704fa3cfe0b0601347e03289a7407 Mon Sep 17 00:00:00 2001 From: Kinglong Mee Date: Mon, 9 Dec 2013 19:31:21 +0800 Subject: [PATCH] nfsd: clean up an xdr reserved space calculation We should use XDR_LEN to calculate reserved space in case the oid is not a multiple of 4. RESERVE_SPACE actually rounds up for us, but it's probably better to be careful here. Signed-off-by: Kinglong Mee Signed-off-by: J. Bruce Fields --- fs/nfsd/nfs4xdr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 1dface03bd3e..dbd64a9d268b 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -3263,7 +3263,7 @@ nfsd4_do_encode_secinfo(struct nfsd4_compoundres *resp, if (rpcauth_get_gssinfo(pf, &info) == 0) { supported++; - RESERVE_SPACE(4 + 4 + info.oid.len + 4 + 4); + RESERVE_SPACE(4 + 4 + XDR_LEN(info.oid.len) + 4 + 4); WRITE32(RPC_AUTH_GSS); WRITE32(info.oid.len); WRITEMEM(info.oid.data, info.oid.len); -- 2.39.2