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From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
To: Yuval Mintz <yuvalmin@broadcom.com>,
	davem@davemloft.net, netdev@vger.kernel.org,
	Dmitry Kravkov <dmitry@broadcom.com>
Cc: ariele@broadcom.com
Subject: Re: [PATCH net 1/5] bnx2x: limit number of interrupt vectors for 57711
Date: Mon, 06 Jan 2014 17:47:34 +0400	[thread overview]
Message-ID: <52CAB3F6.2060901@cogentembedded.com> (raw)
In-Reply-To: <1388939634-19948-2-git-send-email-yuvalmin@broadcom.com>

Hello.

On 05-01-2014 20:33, Yuval Mintz wrote:

> From: Dmitry Kravkov <dmitry@broadcom.com>

> Original straightforward division may lead to zeroing number of SB and
> null-pointer dereference when device is short of MSIX vectors or lacks
> MSIX capabilities.

> Reported-by: Vladislav Zolotarov <vladz@cloudius-systems.com>
> Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
> Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
> Signed-off-by: Ariel Elior <ariele@broadcom.com>
> ---
>   drivers/net/ethernet/broadcom/bnx2x/bnx2x.h      | 2 ++
>   drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c | 6 +++---
>   2 files changed, 5 insertions(+), 3 deletions(-)

> diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
> index a1f66e2..cb30d1a 100644
> --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
> +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
> @@ -2499,4 +2499,6 @@ void bnx2x_set_local_cmng(struct bnx2x *bp);
>   #define MCPR_SCRATCH_BASE(bp) \
>   	(CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH)
>
> +#define E1H_MAX_MF_SB_COUNT (HC_SB_MAX_SB_E1X/(E1HVN_MAX * PORT_MAX))

    Be consistent and put spaces around / too, please.

WBR, Sergei

  reply	other threads:[~2014-01-06 13:47 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-01-05 16:33 [PATCH net 0/5] bnx2x: Bug fixes patch series Yuval Mintz
2014-01-05 16:33 ` [PATCH net 1/5] bnx2x: limit number of interrupt vectors for 57711 Yuval Mintz
2014-01-06 13:47   ` Sergei Shtylyov [this message]
2014-01-05 16:33 ` [PATCH net 2/5] bnx2x: Correct number of MSI-X vectors for VFs Yuval Mintz
2014-01-06 16:28   ` [BUG] bnx2x : lockdep assertion Eric Dumazet
2014-01-06 16:35     ` Ariel Elior
2014-01-06 16:49       ` Eric Dumazet
2014-01-05 16:33 ` [PATCH net 3/5] bnx2x: Clean before update RSS arrives Yuval Mintz
2014-01-05 16:33 ` [PATCH net 4/5] bnx2x: fix AFEX memory overflow Yuval Mintz
2014-01-05 16:33 ` [PATCH net 5/5] bnx2x: fix VLAN configuration for VFs Yuval Mintz
2014-01-05 19:19   ` Or Gerlitz
2014-01-05 19:24     ` Yuval Mintz
2014-01-06  1:23 ` [PATCH net 0/5] bnx2x: Bug fixes patch series David Miller

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