RE: [PATCH] net: can: usb: peak_usb: pcan_usb_core.c: Cleaning up missing null-terminate in conjunction with strncpy

[David Laight]

From: Rickard Strandqvist 
> > 2014-09-15 10:47 GMT+02:00 David Laight <David.Laight@xxxxxxxxxx>:
...
> > Or:
> >     char name[sizeof netdev->name];
> >     memcpy(name, netdev->name, sizeof netdev->name);
> >
...
> I liked the variant:
> char name[sizeof(netdev->name)];
> 
> But dislike and do not understand what the point would be with memcpy variant.

The memcpy() will be a lot faster than any of the string copy functions
because it doesn't need to worry about the terminator.
In many cases it will be inlined to a short series of load and stores.

	David