Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/usb/storage/karma.c b/drivers/usb/storage/karma.c
index edcf2be..05cec81 100644
--- a/drivers/usb/storage/karma.c
+++ b/drivers/usb/storage/karma.c
@@ -23,6 +23,7 @@
 MODULE_DESCRIPTION("Driver for Rio Karma");
 MODULE_AUTHOR("Bob Copeland <me@bobcopeland.com>, Keith Bennett <keith@mcs.st-and.ac.uk>");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(USB_STORAGE);
 
 #define RIO_PREFIX "RIOP\x00"
 #define RIO_PREFIX_LEN 5
@@ -167,6 +168,7 @@
 static void rio_karma_destructor(void *extra)
 {
 	struct karma_data *data = (struct karma_data *) extra;
+
 	kfree(data->recv);
 }
 
@@ -174,6 +176,7 @@
 {
 	int ret = 0;
 	struct karma_data *data = kzalloc(sizeof(struct karma_data), GFP_NOIO);
+
 	if (!data)
 		goto out;