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Re: [PATCH v5 7/8] ath11k: Send multiple scan_chan_list messages if required

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Pradeep Kumar Chitrapu <pradeepc@xxxxxxxxxxxxxx> writes:

> With addition of 6Ghz channels, it is possible that wmi buffer size can
> exceed the maximum wmi buffer size. So iterate over the channel list,
> and send multiple messages till channel list is empty.
> Also mark PSC channel flag for 6GHz channels accordingly.
>
> Signed-off-by: Pradeep Kumar Chitrapu <pradeepc@xxxxxxxxxxxxxx>
> ---
>  drivers/net/wireless/ath/ath11k/wmi.c | 170 ++++++++++++++------------
>  drivers/net/wireless/ath/ath11k/wmi.h |   3 +
>  2 files changed, 98 insertions(+), 75 deletions(-)
>
> diff --git a/drivers/net/wireless/ath/ath11k/wmi.c b/drivers/net/wireless/ath/ath11k/wmi.c
> index 239a336f55f4..ad3a7b68d308 100644
> --- a/drivers/net/wireless/ath/ath11k/wmi.c
> +++ b/drivers/net/wireless/ath/ath11k/wmi.c
> @@ -2194,91 +2194,111 @@ int ath11k_wmi_send_scan_chan_list_cmd(struct ath11k *ar,
>  	struct channel_param *tchan_info;
>  	struct wmi_tlv *tlv;
>  	void *ptr;
> -	int i, ret, len;
> +	int i, ret = 0, len;
> +	u16 num_send_chans, num_sends = 0, max_chan_limit = 0;
>  	u32 *reg1, *reg2;
>  

[...]

> +		ret = ath11k_wmi_cmd_send(wmi, skb, WMI_SCAN_CHAN_LIST_CMDID);
> +		if (ret) {
> +			ath11k_warn(ar->ab, "failed to send WMI_SCAN_CHAN_LIST cmd\n");
> +			dev_kfree_skb(skb);
> +			goto end;
> +		}
> +
> +		num_sends++;
> +	}
> +end:
>  	return ret;
>  }

The end label is useless, I removed that and replaced the goto with
'return ret'. And I replaced the return in the end to 'return 0' which
made it possible to not initialise the ret variable. Please check my
changes in the pending branch (which I will push shortly).

-- 
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches



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