Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/net/atm/mpoa_caches.c b/net/atm/mpoa_caches.c
index 4bb4183..3286f9d 100644
--- a/net/atm/mpoa_caches.c
+++ b/net/atm/mpoa_caches.c
@@ -180,8 +180,7 @@
 static void in_cache_put(in_cache_entry *entry)
 {
 	if (refcount_dec_and_test(&entry->use)) {
-		memset(entry, 0, sizeof(in_cache_entry));
-		kfree(entry);
+		kzfree(entry);
 	}
 }
 
@@ -416,8 +415,7 @@
 static void eg_cache_put(eg_cache_entry *entry)
 {
 	if (refcount_dec_and_test(&entry->use)) {
-		memset(entry, 0, sizeof(eg_cache_entry));
-		kfree(entry);
+		kzfree(entry);
 	}
 }