From: Donglin Peng <dolinux.peng@gmail.com>
To: tytso@mit.edu
Cc: adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org,
linux-kernel@vger.kernel.org,
pengdonglin <pengdonglin@xiaomi.com>
Subject: [PATCH] fs/ext4: Remove unnecessary zero-initialization via memset
Date: Thu, 11 Dec 2025 20:38:29 +0800 [thread overview]
Message-ID: <20251211123829.2777009-1-dolinux.peng@gmail.com> (raw)
From: pengdonglin <pengdonglin@xiaomi.com>
The d_path function does not require the caller to pre-zero the
buffer.
Signed-off-by: pengdonglin <pengdonglin@xiaomi.com>
---
fs/ext4/file.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index 7a8b30932189..484cb7388802 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -858,7 +858,6 @@ static int ext4_sample_last_mounted(struct super_block *sb,
* when trying to sort through large numbers of block
* devices or filesystem images.
*/
- memset(buf, 0, sizeof(buf));
path.mnt = mnt;
path.dentry = mnt->mnt_root;
cp = d_path(&path, buf, sizeof(buf));
--
2.34.1
next reply other threads:[~2025-12-11 12:38 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-11 12:38 Donglin Peng [this message]
2025-12-16 6:12 ` Baokun Li
2025-12-16 7:59 ` Zhang Yi
2026-01-28 18:04 ` Theodore Ts'o
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