Update Linux to v5.4.148

Sourced from [1]

[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.4.148.tar.gz

Change-Id: Ib3d26c5ba9b022e2e03533005c4fed4d7c30b61b
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/fs/ubifs/debug.c b/fs/ubifs/debug.c
index e4b5278..992b74f 100644
--- a/fs/ubifs/debug.c
+++ b/fs/ubifs/debug.c
@@ -1123,6 +1123,7 @@
 			err = PTR_ERR(dent);
 			if (err == -ENOENT)
 				break;
+			kfree(pdent);
 			return err;
 		}