Patch from Yann Morin so modprobe won't return failure if the module gets

loaded while it's running (ala multi-device hotplug).

modutils/modprobe.c

@@ -859,7 +859,16 @@ static int mod_insert ( char *mod, int argc, char **argv )
 		}
 
 		// process tail ---> head
-		rc = mod_process ( tail, 1 );
+		if ((rc = mod_process ( tail, 1 )) != 0) {
+			/*
+			 * In case of using udev, multiple instances of modprobe can be
+			 * spawned to load the same module (think of two same usb devices,
+			 * for example; or cold-plugging at boot time). Thus we shouldn't
+			 * fail if the module was loaded, and not by us.
+			 */
+			if (already_loaded (mod) )
+				rc = 0;
+		}
 	}
 	else
 		rc = 1;