Re: [PATCH] usb: isp1760: Use kasprintf

From: Himanshu Jha
Date: Wed Mar 07 2018 - 13:30:37 EST


On Wed, Mar 07, 2018 at 08:20:54PM +0200, Andy Shevchenko wrote:
> On Wed, Mar 7, 2018 at 8:08 PM, Himanshu Jha
> <himanshujha199640@xxxxxxxxx> wrote:
> > Use kasprintf instead of combination of kmalloc and sprintf and
> > therefore avoid unnecessary computation of string length.
>
> > devname = dev_name(isp->dev);
>
> Do you still need this temporary variable?

No.

> > - udc->irqname = kmalloc(strlen(devname) + 7, GFP_KERNEL);
> > + udc->irqname = kasprintf(GFP_KERNEL, "%s (udc)", devname);
>
> Perhaps
>
> devname -> dev_name(isp->dev)
>
> ?

Oh, yes!
Thanks for pointing that out.
I will send v2 with the update!

--
Thanks
Himanshu Jha