Re: [PATCH v2] staging: rtlwifi: Fix line too long warning

From: Greg KH
Date: Wed Nov 01 2017 - 12:47:18 EST


On Tue, Oct 31, 2017 at 12:48:04AM -0400, Kien Ha wrote:
> >From aa0f4ae8c325545b1fd794d6bbf8c4d2f64e2ec2 Mon Sep 17 00:00:00 2001
> From: Kien Ha <kienha9922@xxxxxxxxx>
> Date: Fri, 27 Oct 2017 14:07:55 -0400
> Subject: [PATCH v2] staging: rtlwifi: Fix line too long warning

Why is all of this here in the "changelog body" of the patch?

>
> Made nested if else statement more concise to help conform to coding
> style.
>
> Signed-off-by: Kien Ha <kienha9922@xxxxxxxxx>
> ---
> Changes in v2:
> - Improve block of code to be more concise
>
> drivers/staging/rtlwifi/base.c | 25 ++++++++-----------------
> 1 file changed, 8 insertions(+), 17 deletions(-)
>
> diff --git a/drivers/staging/rtlwifi/base.c b/drivers/staging/rtlwifi/base.c
> index b88b0e8edd3d..fdd1ab1e38c5 100644
> --- a/drivers/staging/rtlwifi/base.c
> +++ b/drivers/staging/rtlwifi/base.c
> @@ -1273,23 +1273,14 @@ void rtl_get_tcb_desc(struct ieee80211_hw *hw,
> * and N rate will all be controlled by FW
> * when tcb_desc->use_driver_rate = false
> */
> - if (sta && sta->vht_cap.vht_supported) {
> - tcb_desc->hw_rate =
> - _rtl_get_vht_highest_n_rate(hw, sta);
> - } else {
> - if (sta && (sta->ht_cap.ht_supported)) {
> - tcb_desc->hw_rate =
> - _rtl_get_highest_n_rate(hw, sta);
> - } else {
> - if (rtlmac->mode == WIRELESS_MODE_B) {
> - tcb_desc->hw_rate =
> - rtlpriv->cfg->maps[RTL_RC_CCK_RATE11M];
> - } else {
> - tcb_desc->hw_rate =
> - rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M];
> - }
> - }
> - }
> + tcb_desc->hw_rate =
> + sta && sta->vht_cap.vht_supported ?
> + rtl_get_vht_highest_n_rate(hw, sta) :
> + sta && sta->ht_cap.ht_supported ?
> + _rtl_get_highest_n_rate(hw, sta) :
> + rtlmac->mode == WIRELESS_MODE_B ?
> + rtlpriv->cfg->maps[RTL_RC_CCK_RATE11M] :
> + rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M];

That's horrible to read, can you understand it?

I hate ? : logic, please write code for people to read, not compilers.

thanks,

greg k-h