Re: [PATCH net-next 03/12] net: bcmgenet: simplify circular pointer arithmetic

2017-03-13 Thread Florian Fainelli
On 03/13/2017 05:41 PM, Doug Berger wrote: > A 2's complement subtraction will always do a borrow, so masking > off the sign bits is the same as conditionally adding (mask+1). > > Signed-off-by: Doug Berger Reviewed-by: Florian Fainelli -- Florian

[PATCH net-next 03/12] net: bcmgenet: simplify circular pointer arithmetic

2017-03-13 Thread Doug Berger
A 2's complement subtraction will always do a borrow, so masking off the sign bits is the same as conditionally adding (mask+1). Signed-off-by: Doug Berger --- drivers/net/ethernet/broadcom/genet/bcmgenet.c | 19 +-- 1 file changed, 5 insertions(+), 14 deletions(-) diff --git a/