net: Fix incorrect RPC packets on 64-bit systems

This patch fixes incorrect RPC packet layout caused by
'long' type size difference on 64 and 32-bit architectures.

Signed-off-by: Ralf Hubert <r.hubert@technisat.de>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
diff --git a/net/nfs.c b/net/nfs.c
index f60a037..4a5a1ab 100644
--- a/net/nfs.c
+++ b/net/nfs.c
@@ -132,7 +132,7 @@
 /**************************************************************************
 RPC_ADD_CREDENTIALS - Add RPC authentication/verifier entries
 **************************************************************************/
-static long *rpc_add_credentials(long *p)
+static uint32_t *rpc_add_credentials(uint32_t *p)
 {
 	int hl;
 	int hostnamelen;
@@ -241,7 +241,7 @@
 	pathlen = strlen(path);
 
 	p = &(data[0]);
-	p = (uint32_t *)rpc_add_credentials((long *)p);
+	p = rpc_add_credentials(p);
 
 	*p++ = htonl(pathlen);
 	if (pathlen & 3)
@@ -268,7 +268,7 @@
 		return;
 
 	p = &(data[0]);
-	p = (uint32_t *)rpc_add_credentials((long *)p);
+	p = rpc_add_credentials(p);
 
 	len = (uint32_t *)p - (uint32_t *)&(data[0]);
 
@@ -289,7 +289,7 @@
 	int len;
 
 	p = &(data[0]);
-	p = (uint32_t *)rpc_add_credentials((long *)p);
+	p = rpc_add_credentials(p);
 
 	memcpy(p, filefh, NFS_FHSIZE);
 	p += (NFS_FHSIZE / 4);
@@ -312,7 +312,7 @@
 	fnamelen = strlen(fname);
 
 	p = &(data[0]);
-	p = (uint32_t *)rpc_add_credentials((long *)p);
+	p = rpc_add_credentials(p);
 
 	memcpy(p, dirfh, NFS_FHSIZE);
 	p += (NFS_FHSIZE / 4);
@@ -337,7 +337,7 @@
 	int len;
 
 	p = &(data[0]);
-	p = (uint32_t *)rpc_add_credentials((long *)p);
+	p = rpc_add_credentials(p);
 
 	memcpy(p, filefh, NFS_FHSIZE);
 	p += (NFS_FHSIZE / 4);