ksmbd: Use struct_size() helper in ksmbd_negotiate_smb_dialect()

Prefer struct_size() over open-coded versions.

Link: https://github.com/KSPP/linux/issues/160
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Gustavo A. R. Silva 2023-06-21 15:29:22 -06:00 committed by Steve French
parent 7b7d709ef7
commit 5211cc8727
1 changed files with 1 additions and 1 deletions

View File

@ -266,7 +266,7 @@ static int ksmbd_negotiate_smb_dialect(void *buf)
if (smb2_neg_size > smb_buf_length)
goto err_out;
if (smb2_neg_size + le16_to_cpu(req->DialectCount) * sizeof(__le16) >
if (struct_size(req, Dialects, le16_to_cpu(req->DialectCount)) >
smb_buf_length)
goto err_out;