Re: [PATCH] Staging: dgnc: fix bitmask

From: Dan Carpenter
Date: Tue Mar 10 2015 - 02:52:21 EST


On Mon, Mar 09, 2015 at 09:14:38PM +0100, Matteo Semenzato wrote:
> From: Matteo Semenzato <mattew8898@xxxxxxxxx>
>
> The bitmask should be used on msignals since the signals variable is not
> used anywhere in the function.
>

You're probably right. I would really like to get Mark's Ack on this
though becuase it's sort of a guess and not tested.

regards,
dan carpenter

> Signed-off-by: Matteo Semenzato <mattew8898@xxxxxxxxx>
> ---
> drivers/staging/dgnc/dgnc_cls.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/staging/dgnc/dgnc_cls.c b/drivers/staging/dgnc/dgnc_cls.c
> index bedc522..29c6316 100644
> --- a/drivers/staging/dgnc/dgnc_cls.c
> +++ b/drivers/staging/dgnc/dgnc_cls.c
> @@ -1137,7 +1137,7 @@ static void cls_parse_modem(struct channel_t *ch, unsigned char signals)
> * Scrub off lower bits. They signify delta's, which I don't
> * care about
> */
> - signals &= 0xf0;
> + msignals &= 0xf0;
>
> spin_lock_irqsave(&ch->ch_lock, flags);
> if (msignals & UART_MSR_DCD)
> --
> 2.3.1
>
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