From 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:44:59 +0000
Subject: [PATCH] gmac get mac form eeprom
---
kernel/fs/btrfs/rcu-string.h | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/kernel/fs/btrfs/rcu-string.h b/kernel/fs/btrfs/rcu-string.h
index 5c1a617..5c2b66d 100644
--- a/kernel/fs/btrfs/rcu-string.h
+++ b/kernel/fs/btrfs/rcu-string.h
@@ -18,7 +18,11 @@
(len * sizeof(char)), mask);
if (!ret)
return ret;
- strncpy(ret->str, src, len);
+ /* Warn if the source got unexpectedly truncated. */
+ if (WARN_ON(strscpy(ret->str, src, len) < 0)) {
+ kfree(ret);
+ return NULL;
+ }
return ret;
}
--
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