On Mon, 2018-05-21 at 19:57 +0800, Yisheng Xie wrote:
> match_string() returns the index of an array for a matching string,
> which can be used intead of open coded variant.
> 
> Cc: Kalle Valo <kv...@codeaurora.org>
> Cc: Intel Linux Wireless <linuxw...@intel.com>
> Cc: Johannes Berg <johannes.b...@intel.com>
> Cc: Emmanuel Grumbach <emmanuel.grumb...@intel.com>
> Cc: linux-wirel...@vger.kernel.org
> Cc: netdev@vger.kernel.org
> Signed-off-by: Yisheng Xie <xieyishe...@huawei.com>
> ---
>  drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c | 11 +++--------
>  1 file changed, 3 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
> b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
> index 0e6401c..e8249a6 100644
> --- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
> +++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
> @@ -671,14 +671,9 @@ static ssize_t iwl_dbgfs_bt_cmd_read(struct file
> *file, char __user *user_buf,
>       };
>       int ret, bt_force_ant_mode;
>  
> -     for (bt_force_ant_mode = 0;
> -          bt_force_ant_mode < ARRAY_SIZE(modes_str);
> -          bt_force_ant_mode++) {
> -             if (!strcmp(buf, modes_str[bt_force_ant_mode]))
> -                     break;
> -     }
> -
> -     if (bt_force_ant_mode >= ARRAY_SIZE(modes_str))
> +     bt_force_ant_mode = match_string(modes_str,
> +                                      ARRAY_SIZE(modes_str),
> buf);
> +     if (bt_force_ant_mode < 0)
>               return -EINVAL;
>  
>       ret = 0;

Looks fine, I'll push this to our internal tree for review and take a
closer look at what the match_string() function does exactly.

Thanks for the patch.

--
Cheers,
Luca.

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