From 04afb0a3c30aeb5fbe890a92debbfc0cc4044b6f Mon Sep 17 00:00:00 2001 From: Thorsten Blum Date: Fri, 27 Sep 2024 16:36:42 +0200 Subject: [PATCH] ksmbd: Use struct_size() to improve get_file_alternate_info() Use struct_size() to calculate the output buffer length. Signed-off-by: Thorsten Blum Acked-by: Namjae Jeon Signed-off-by: Steve French --- 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 7460089c186f..f28346fad894 100644 --- a/fs/smb/server/smb2pdu.c +++ b/fs/smb/server/smb2pdu.c @@ -4883,7 +4883,7 @@ 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, -- 2.49.0