All of lore.kernel.org
 help / color / mirror / Atom feed
From: Thorsten Blum <thorsten.blum@linux.dev>
To: Namjae Jeon <linkinjeon@kernel.org>,
	Steve French <sfrench@samba.org>,
	Sergey Senozhatsky <senozhatsky@chromium.org>,
	Tom Talpey <tom@talpey.com>
Cc: Thorsten Blum <thorsten.blum@linux.dev>,
	linux-cifs@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] ksmbd: Use struct_size() to improve get_file_alternate_info()
Date: Fri, 27 Sep 2024 16:36:42 +0200	[thread overview]
Message-ID: <20240927143642.2086-2-thorsten.blum@linux.dev> (raw)

Use struct_size() to calculate the output buffer length.

Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
---
 fs/smb/server/smb2pdu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c
index 7121266daa02..b45e5b9ad967 100644
--- a/fs/smb/server/smb2pdu.c
+++ b/fs/smb/server/smb2pdu.c
@@ -4887,7 +4887,7 @@ static void get_file_alternate_info(struct ksmbd_work *work,
 	spin_unlock(&dentry->d_lock);
 	file_info->FileNameLength = cpu_to_le32(conv_len);
 	rsp->OutputBufferLength =
-		cpu_to_le32(sizeof(struct smb2_file_alt_name_info) + conv_len);
+		cpu_to_le32(struct_size(file_info, FileName, conv_len));
 }
 
 static int get_file_stream_info(struct ksmbd_work *work,
-- 
2.46.1


             reply	other threads:[~2024-09-27 14:37 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-09-27 14:36 Thorsten Blum [this message]
2024-09-28  0:43 ` [PATCH] ksmbd: Use struct_size() to improve get_file_alternate_info() Namjae Jeon

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20240927143642.2086-2-thorsten.blum@linux.dev \
    --to=thorsten.blum@linux.dev \
    --cc=linkinjeon@kernel.org \
    --cc=linux-cifs@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=senozhatsky@chromium.org \
    --cc=sfrench@samba.org \
    --cc=tom@talpey.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.