From 645e752c5a84baeb21015cdc85fc05b7d16312c8 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 11 May 2024 01:13:52 +0000
Subject: [PATCH] disable i2c1

---
 kernel/drivers/md/persistent-data/dm-btree.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/kernel/drivers/md/persistent-data/dm-btree.c b/kernel/drivers/md/persistent-data/dm-btree.c
index 6383afb..ee3e63a 100644
--- a/kernel/drivers/md/persistent-data/dm-btree.c
+++ b/kernel/drivers/md/persistent-data/dm-btree.c
@@ -368,7 +368,8 @@
 	} while (!(flags & LEAF_NODE));
 
 	*result_key = le64_to_cpu(ro_node(s)->keys[i]);
-	memcpy(v, value_ptr(ro_node(s), i), value_size);
+	if (v)
+		memcpy(v, value_ptr(ro_node(s), i), value_size);
 
 	return 0;
 }

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