Re: [PATCH -next] USB: gadget: f_fs: Remove unneed cast in ffs_prepare_buffer()

From: Greg KH
Date: Sat May 29 2021 - 08:12:09 EST


On Sat, May 29, 2021 at 08:04:08PM +0800, YueHaibing wrote:
> A coccicheck run provided information like the following.
>
> ./drivers/usb/gadget/function/f_fs.c:3832:9-16:
> WARNING: ERR_CAST can be used with data
>
> ffs_prepare_buffer() should return an ERR_PTR() encoded error
> code on failure.

It does return such a pointer today, so this statement does not make
much sense :(

And is this a v2 patch? What changed from the previous version?

thanks,

greg k-h