match_string() returns the index of an array for a matching string, which can be used instead of open coded variant. Cc: Kalle Valo <kvalo@xxxxxxxxxxxxxx> Cc: Intel Linux Wireless <linuxwifi@xxxxxxxxx> Cc: Johannes Berg <johannes.berg@xxxxxxxxx> Cc: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx> Cc: linux-wireless@xxxxxxxxxxxxxxx Cc: netdev@xxxxxxxxxxxxxxx Signed-off-by: Yisheng Xie <xieyisheng1@xxxxxxxxxx> --- v2: - let ret get return value of match_string - per Andy drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c | 13 ++++--------- 1 file changed, 4 insertions(+), 9 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c index 0e6401c..d7ac511 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c @@ -671,16 +671,11 @@ 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)) - return -EINVAL; + ret = match_string(modes_str, ARRAY_SIZE(modes_str), buf); + if (ret < 0) + return ret; + bt_force_ant_mode = ret; ret = 0; mutex_lock(&mvm->mutex); if (mvm->bt_force_ant_mode == bt_force_ant_mode) -- 1.7.12.4