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From: Oliver Neukum <oneukum@suse.com>
To: Guido Kiener <guido@kiener-muenchen.de>,
	dpenkler@gmail.com, steve_bayless@keysight.com,
	gregkh@linuxfoundation.org, pankaj.adhikari@ni.com,
	guido.kiener@rohde-schwarz.com, linux-usb@vger.kernel.org
Subject: [04/12] usb: usbtmc: Add ioctls for trigger, EOM bit and TermChar
Date: Wed, 23 May 2018 13:58:24 +0200	[thread overview]
Message-ID: <1527076704.14584.5.camel@suse.com> (raw)

Am Donnerstag, den 17.05.2018, 19:03 +0200 schrieb Guido Kiener:
> +       retval = usb_bulk_msg(data->usb_dev,
> +                             usb_sndbulkpipe(data->usb_dev,
> +                                             data->bulk_out),
> +                             buffer, USBTMC_HEADER_SIZE,
> +                             &actual, file_data->timeout);
> +
> +       /* Store bTag (in case we need to abort) */
> +       data->bTag_last_write = data->bTag;
> +
> +       /* Increment bTag -- and increment again if zero */
> +       data->bTag++;
> +       if (!data->bTag)
> +               data->bTag++;
> +

Independent of whether this needs to be split up, do you really
want to do this regardless of usb_bulk_msg() returning an error?

	Regards
		Oliver
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             reply	other threads:[~2018-05-23 11:58 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-23 11:58 Oliver Neukum [this message]
  -- strict thread matches above, loose matches on Subject: below --
2018-05-24 12:41 [04/12] usb: usbtmc: Add ioctls for trigger, EOM bit and TermChar Guido Kiener
2018-05-18 12:29 Greg Kroah-Hartman
2018-05-18 12:08 Guido Kiener
2018-05-17 17:03 Guido Kiener
2018-05-17 16:21 Greg Kroah-Hartman

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