Re: [PATCH 1/2] tty/n_gsm: fix a bug in gsm_dlci_data_output(adaption = 2 case)

[Alan Cox]

On Fri, 23 Sep 2011 19:22:55 +0400
Mikhail Kshevetskiy <mikhail.kshevetskiy@xxxxxxxxx> wrote:

> in adaption=2 case we should put 1 or 2 byte with modem status bits
> at the beginning of a buffer pointed by "dp". n_gsm use 1 byte case,
> so it allocate a buffer of len + 1 size. As result we should:
>   * put 1 byte of modem status bits
>   * increase data pointer
>   * put "len" bytes of data
> but actually we have:
>   * increase first byte with the value of modem status bits
>   * decrease "len"
>   * put orig_len - 1 bytes of data starting from the buffer beggining
> This is evidently wrong.
> 
> Signed-off-by: Mikhail Kshevetskiy <mikhail.kshevetskiy@xxxxxxxxx>

Acked-by: Alan Cox <alan@xxxxxxxxxxxxxxx>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/