drivers/net: Use octal not symbolic permissions

Prefer the direct use of octal for permissions.

Done with checkpatch -f --types=SYMBOLIC_PERMS --fix-inplace
and some typing.

Miscellanea:

o Whitespace neatening around these conversions.

Signed-off-by: Joe Perches <joe@perches.com>
Reviewed-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/xen-netback/xenbus.c

@@ -224,7 +224,7 @@ static void xenvif_debugfs_addif(struct xenvif *vif)
 
 			snprintf(filename, sizeof(filename), "io_ring_q%d", i);
 			pfile = debugfs_create_file(filename,
-						    S_IRUSR | S_IWUSR,
+						    0600,
 						    vif->xenvif_dbg_root,
 						    &vif->queues[i],
 						    &xenvif_dbg_io_ring_ops_fops);
@@ -235,7 +235,7 @@ static void xenvif_debugfs_addif(struct xenvif *vif)
 
 		if (vif->ctrl_irq) {
 			pfile = debugfs_create_file("ctrl",
-						    S_IRUSR,
+						    0400,
 						    vif->xenvif_dbg_root,
 						    vif,
 						    &xenvif_dbg_ctrl_ops_fops);