[PATCH v4 2/4] wifi: ath11k: optimize ath11k_tm_cmd_get_version
Kalle Valo
kvalo at kernel.org
Thu Jun 1 03:28:35 PDT 2023
Raj Kumar Bhagat <quic_rajkbhag at quicinc.com> writes:
> From: Govindaraj Saminathan <quic_gsaminat at quicinc.com>
>
> Currently ath11k_tm_cmd_get_version() uses local variable ret.
> optimize ath11k_tm_cmd_get_version() to avoid local variable use.
>
> Tested-on : IPQ8074 hw2.0 AHB WLAN.HK.2.7.0.1-01744-QCAHKSWPL_SILICONZ-1
>
> Signed-off-by: Govindaraj Saminathan <quic_gsaminat at quicinc.com>
> Signed-off-by: Raj Kumar Bhagat <quic_rajkbhag at quicinc.com>
> ---
> drivers/net/wireless/ath/ath11k/testmode.c | 17 +++++------------
> 1 file changed, 5 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/net/wireless/ath/ath11k/testmode.c b/drivers/net/wireless/ath/ath11k/testmode.c
> index ebeca5eb6a67..f562f860ebf3 100644
> --- a/drivers/net/wireless/ath/ath11k/testmode.c
> +++ b/drivers/net/wireless/ath/ath11k/testmode.c
> @@ -24,7 +24,6 @@ static const struct nla_policy ath11k_tm_policy[ATH11K_TM_ATTR_MAX + 1] = {
> static int ath11k_tm_cmd_get_version(struct ath11k *ar, struct nlattr *tb[])
> {
> struct sk_buff *skb;
> - int ret;
>
> ath11k_dbg(ar->ab, ATH11K_DBG_TESTMODE,
> "testmode cmd get version_major %d version_minor %d\n",
> @@ -36,18 +35,12 @@ static int ath11k_tm_cmd_get_version(struct ath11k *ar, struct nlattr *tb[])
> if (!skb)
> return -ENOMEM;
>
> - ret = nla_put_u32(skb, ATH11K_TM_ATTR_VERSION_MAJOR,
> - ATH11K_TESTMODE_VERSION_MAJOR);
> - if (ret) {
> - kfree_skb(skb);
> - return ret;
> - }
> -
> - ret = nla_put_u32(skb, ATH11K_TM_ATTR_VERSION_MINOR,
> - ATH11K_TESTMODE_VERSION_MINOR);
> - if (ret) {
> + if (nla_put_u32(skb, ATH11K_TM_ATTR_VERSION_MAJOR,
> + ATH11K_TESTMODE_VERSION_MAJOR) ||
> + nla_put_u32(skb, ATH11K_TM_ATTR_VERSION_MINOR,
> + ATH11K_TESTMODE_VERSION_MINOR)) {
> kfree_skb(skb);
> - return ret;
> + return -ENOBUFS;
> }
When optimising something it's always good to provide numbers to show
the improvement. But I can't see how this really improves anything so I
dropped this patch 2.
--
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