Re: [PATCH 2/4] [CIFS] Don't ignore errors on encrypting password in SMBTcon

[Shirish Pargaonkar]

Looks correct, although we could just goto a label at the end of this
function which
does the same.

Acked-by: Shirish Pargaonkar <shirishpargaonkar@xxxxxxxxx>


On Fri, Mar 27, 2015 at 12:28 AM, Steve French <smfrench@xxxxxxxxx> wrote:
> Although unlikely to fail (and tree connect does not commonly send
> a password since SECMODE_USER is the default for most servers)
> do not ignore errors on SMBNTEncrypt in SMB Tree Connect.
>
> Reported by Coverity (CID 1226853)
>
> Signed-off-by: Steve French <smfrench@xxxxxxxxx>
> ---
>  fs/cifs/connect.c | 6 ++++++
>  1 file changed, 6 insertions(+)
>
> diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
> index 4cb8450..cdb1aaf 100644
> --- a/fs/cifs/connect.c
> +++ b/fs/cifs/connect.c
> @@ -3696,6 +3696,12 @@ CIFSTCon(const unsigned int xid, struct cifs_ses *ses,
>  #endif /* CIFS_WEAK_PW_HASH */
>                 rc = SMBNTencrypt(tcon->password, ses->server->cryptkey,
>                                         bcc_ptr, nls_codepage);
> +               if (rc) {
> +                       cifs_dbg(FYI, "%s Can't generate NTLM rsp. Error: %d\n",
> +                                __func__, rc);
> +                       cifs_buf_release(smb_buffer);
> +                       return rc;
> +               }
>
>                 bcc_ptr += CIFS_AUTH_RESP_SIZE;
>                 if (ses->capabilities & CAP_UNICODE) {
> --
> 1.9.1
>
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