From: Michael Chan Date: Fri, 8 Jan 2016 00:56:57 +0000 (-0500) Subject: bnxt_en: Zero pad firmware messages to 128 bytes. X-Git-Tag: v4.1.12-92~126^2~82 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=5c81daf6d2fbd53721a069c25052917ce77eb82d;p=users%2Fjedix%2Flinux-maple.git bnxt_en: Zero pad firmware messages to 128 bytes. Orabug: 23221795 For future compatibility, zero pad all messages that the driver sends to the firmware to 128 bytes. If these messages are extended in the future with new byte enables, zero padding these messages now will guarantee future compatibility. Signed-off-by: Michael Chan Signed-off-by: David S. Miller (cherry picked from commit d79979a103f7820d3107cdc04096e87b37f90008) Signed-off-by: Brian Maly --- diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 6559af844d828..07eaebc5e63f3 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -2617,6 +2617,9 @@ int _hwrm_send_message(struct bnxt *bp, void *msg, u32 msg_len, int timeout) /* Write request msg to hwrm channel */ __iowrite32_copy(bp->bar0, data, msg_len / 4); + for (i = msg_len; i < HWRM_MAX_REQ_LEN; i += 4) + writel(0, bp->bar0 + i); + /* currently supports only one outstanding message */ if (intr_process) bp->hwrm_intr_seq_id = le32_to_cpu(req->target_id_seq_id) &