On 2021/5/29 20:11, Greg KH wrote: > 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 :( Yes, it does. This is just to remove explicit casts. > > And is this a v2 patch? What changed from the previous version? Sorry, I forget to add version info. > > thanks, > > greg k-h > . >
