Re: [PATCH] usb: gadget: f_mass_storage: Remove the LUN check whichis always true

[Michal Nazarewicz]

On Wed, 04 May 2011 16:16:05 +0200, Maxin John <maxin.john@xxxxxxxxx>  
wrote:
> Since comparing an unsigned int (common->lun)  greater than or equal
> to zero is always true, I think it is safe to remove this check.
> Please let me know your comments.
>
> Thanks to Coverity for pointing this out.
>
> Signed-off-by: Maxin B. John <maxin.john@xxxxxxxxx>

Acked-by: Michal Nazarewicz <mina86@xxxxxxxxxx>

file_storage.c has the same check, could you remove it as well.

> --- a/drivers/usb/gadget/f_mass_storage.c
> +++ b/drivers/usb/gadget/f_mass_storage.c
> @@ -1910,7 +1910,7 @@ static int check_command(struct fsg_common
> *common, int cmnd_size,
>                     common->lun, lun);
>
>         /* Check the LUN */
> -       if (common->lun >= 0 && common->lun < common->nluns) {
> +       if (common->lun < common->nluns) {
>                 curlun = &common->luns[common->lun];
>                 common->curlun = curlun;
>                 if (common->cmnd[0] != REQUEST_SENSE) {


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.o. | Liege of Serenely Enlightened Majesty of      o' \,=./ `o
..o | Computer Science,  Michal "mina86" Nazarewicz    (o o)
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