The advantage of kcalloc is, that will prevent integer overflows which could result from the multiplication of number of elements and size and it is also a bit nicer to read. The semantic patch that makes this change is available in https://lkml.org/lkml/2011/11/25/107 Signed-off-by: Thomas Meyer <thomas@xxxxxxxx> --- diff -u -p a/drivers/uwb/est.c b/drivers/uwb/est.c --- a/drivers/uwb/est.c 2011-11-13 11:07:53.010573682 +0100 +++ b/drivers/uwb/est.c 2011-11-28 19:50:26.200518093 +0100 @@ -184,7 +184,7 @@ int uwb_est_create(void) uwb_est_size = 2; uwb_est_used = 0; - uwb_est = kzalloc(uwb_est_size * sizeof(uwb_est[0]), GFP_KERNEL); + uwb_est = kcalloc(uwb_est_size, sizeof(uwb_est[0]), GFP_KERNEL); if (uwb_est == NULL) return -ENOMEM; -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html