linux-kernel - Re: [PATCH] usb: gadget: f_mass_storage: Remove the LUN check which is always true

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Date:	Wed, 4 May 2011 12:02:02 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Maxin John <maxin.john@...il.com>
cc:	Michal Nazarewicz <mina86@...a86.com>, <gregkh@...e.de>,
	<m-sonasath@...com>, <linux-usb@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <roger.quadros@...ia.com>
Subject: Re: [PATCH] usb: gadget: f_mass_storage: Remove the LUN check which
 is always true

On Wed, 4 May 2011, Maxin John wrote:

> Hi Michal,
> 
> > Acked-by: Michal Nazarewicz <mina86@...a86.com>
> 
> Thank you very much for reviewing the patch.
> 
> > file_storage.c has the same check, could you remove it as well.
> 
> Please find the patch for "file_storage.c" below. Should I merge these
> two patches and re-submit as a single one?
> 
> Signed-off-by: Maxin B. John <maxin.john@...il.com>

Acked-by: Alan Stern <stern@...land.harvard.edu>

> ---
> diff --git a/drivers/usb/gadget/file_storage.c
> b/drivers/usb/gadget/file_storage.c
> index a6eacb5..a9c5177 100644
> --- a/drivers/usb/gadget/file_storage.c
> +++ b/drivers/usb/gadget/file_storage.c
> @@ -2314,7 +2314,7 @@ static int check_command(struct fsg_dev *fsg,
> int cmnd_size,
>                 fsg->lun = lun;         // Use LUN from the command
> 
>         /* Check the LUN */
> -       if (fsg->lun >= 0 && fsg->lun < fsg->nluns) {
> +       if (fsg->lun < fsg->nluns) {
>                 fsg->curlun = curlun = &fsg->luns[fsg->lun];
>                 if (fsg->cmnd[0] != REQUEST_SENSE) {
>                         curlun->sense_data = SS_NO_SENSE;

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