On Fri, Sep 09, 2022 at 01:29:44PM +0200, Nam Cao wrote: > On Fri, Sep 9, 2022 at 12:23 PM Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > > Why do you have to cast this to (void *)? That should almost never be > > needed. > > Because I want to suppress a compiler warning: > drivers/staging/vt6655/device_main.c:869:9: warning: passing argument > 1 of ‘memset’ discards ‘volatile’ qualifier from pointer target type > [-Wdiscarded-qualifiers] > 869 | memset(&rd->rd0, 0, sizeof(rd->rd0)); > | ^~~~~~~~ Why would that have a type of "volatile"? That should be fixed first please. thanks, greg k-h
