lkml.org 
[lkml]   [2019]   [Apr]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] usb:host: fix divide-by-zero in function fhci_queue_urb
On Tue, Apr 09, 2019 at 10:37:12PM +0800, zhuyan wrote:
> In function fhci_queue_urb, the divisor of expression
> (urb->transfer_buffer_length % usb_maxpacket(urb->dev, urb->pipe,
> usb_pipeout(urb->pipe))) may be zero.

How can you hit that?

> When it is zero, unexpected results may occur, so it is necessary to
> ensure that the divisor is not zero.
>
> Signed-off-by: zhuyan <zhuyan34@huawei.com>

I need a "Full" name here, not just a single name. Whatever you use to
sign documents is good.

thanks,

greg k-h

\
 
 \ /
  Last update: 2019-04-16 11:46    [W:0.118 / U:0.296 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site