On Fri, Jul 31, 2015 at 04:38:32PM +0900, Tony Cho wrote: > From: glen lee <glen.lee@xxxxxxxxx> > > To use a pointer as as integer in arithmetic operation, cast type to uintptr_t > as the data type. > This patch changes casting (unsigned int) with (uintptr_t) to do arithmetic operation > > Here is build warning. > drivers/staging/wilc1000/linux_wlan.c:2385:20: warning: cast from pointer to > integer of different size [-Wpointer-to-int-cast] > skb_reserve(skb, (unsigned int)skb->data & 0x3); > > Signed-off-by: glen lee <glen.lee@xxxxxxxxx> > Signed-off-by: Tony Cho <tony.cho@xxxxxxxxx> > --- > drivers/staging/wilc1000/linux_wlan.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/staging/wilc1000/linux_wlan.c b/drivers/staging/wilc1000/linux_wlan.c > index 5dcb30c..ec80849 100644 > --- a/drivers/staging/wilc1000/linux_wlan.c > +++ b/drivers/staging/wilc1000/linux_wlan.c > @@ -2382,7 +2382,7 @@ void frmw_to_linux(uint8_t *buff, uint32_t size, uint32_t pkt_offset) > return; > } > > - skb_reserve(skb, (unsigned int)skb->data & 0x3); > + skb_reserve(skb, (uintptr_t)skb->data & 0x3); Why is a cast needed at all here? And again, don't use uintptr_t, it is not a kernel type. I've stopped reviewing here, sorry, please fix up the series and resend. thanks, greg k-h _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel