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NACK: [PATCH] nfp: check idx is -ENOSPC before using it is an index

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Ignore this, got some other fix included by mistake. Will resend.

On 11/07/16 16:46, Colin King wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> 
> idx can be returned as -ENOSPC, so we should check for this first
> before using it as an index into nn->vxlan_usecnt[] to avoid an
> out of bounds array offset read.
> 
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> ---
>  drivers/net/ethernet/netronome/nfp/nfp_net_common.c | 2 +-
>  drivers/nfc/fdp/fdp.c                               | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
> index 1e74b91..88678c1 100644
> --- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
> +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
> @@ -2578,7 +2578,7 @@ static void nfp_net_del_vxlan_port(struct net_device *netdev,
>  		return;
>  
>  	idx = nfp_net_find_vxlan_idx(nn, ti->port);
> -	if (!nn->vxlan_usecnt[idx] || idx == -ENOSPC)
> +	if (idx == -ENOSPC || !nn->vxlan_usecnt[idx])
>  		return;
>  
>  	if (!--nn->vxlan_usecnt[idx])
> diff --git a/drivers/nfc/fdp/fdp.c b/drivers/nfc/fdp/fdp.c
> index e44a7a2..d93d314 100644
> --- a/drivers/nfc/fdp/fdp.c
> +++ b/drivers/nfc/fdp/fdp.c
> @@ -345,7 +345,7 @@ static void fdp_nci_release_firmware(struct nci_dev *ndev)
>  
>  	if (info->ram_patch) {
>  		release_firmware(info->ram_patch);
> -		info->otp_patch = NULL;
> +		info->ram_patch = NULL;
>  	}
>  }
>  
> 

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