NFSv4: Fix an Oops in the NFSv4 getacl code

[pandora-kernel.git] / fs / nfs / nfs4xdr.c

diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index dcaf693..68adab4 100644 (file)
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -2522,7 +2522,6 @@ static void nfs4_xdr_enc_getacl(struct rpc_rqst *req, struct xdr_stream *xdr,
 
        xdr_inline_pages(&req->rq_rcv_buf, replen << 2,
                args->acl_pages, args->acl_pgbase, args->acl_len);
-       xdr_set_scratch_buffer(xdr, page_address(args->acl_scratch), PAGE_SIZE);
 
        encode_nops(&hdr);
 }
@@ -6034,6 +6033,10 @@ nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr,
        struct compound_hdr hdr;
        int status;
 
+       if (res->acl_scratch != NULL) {
+               void *p = page_address(res->acl_scratch);
+               xdr_set_scratch_buffer(xdr, p, PAGE_SIZE);
+       }
        status = decode_compound_hdr(xdr, &hdr);
        if (status)
                goto out;