diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index e1703175ee2868781945054965ac24eebc4c415f..34ccf815ea8aa48f854a8ad6f9d15e64c2c59e51 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -161,10 +161,10 @@ static __be32 *read_buf(struct nfsd4_compoundargs *argp, u32 nbytes)
 	argp->p = page_address(argp->pagelist[0]);
 	argp->pagelist++;
 	if (argp->pagelen < PAGE_SIZE) {
-		argp->end = p + (argp->pagelen>>2);
+		argp->end = argp->p + (argp->pagelen>>2);
 		argp->pagelen = 0;
 	} else {
-		argp->end = p + (PAGE_SIZE>>2);
+		argp->end = argp->p + (PAGE_SIZE>>2);
 		argp->pagelen -= PAGE_SIZE;
 	}
 	memcpy(((char*)p)+avail, argp->p, (nbytes - avail));
@@ -1426,10 +1426,10 @@ nfsd4_decode_compound(struct nfsd4_compoundargs *argp)
 			argp->p = page_address(argp->pagelist[0]);
 			argp->pagelist++;
 			if (argp->pagelen < PAGE_SIZE) {
-				argp->end = p + (argp->pagelen>>2);
+				argp->end = argp->p + (argp->pagelen>>2);
 				argp->pagelen = 0;
 			} else {
-				argp->end = p + (PAGE_SIZE>>2);
+				argp->end = argp->p + (PAGE_SIZE>>2);
 				argp->pagelen -= PAGE_SIZE;
 			}
 		}