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iwlwifi: mvm: use match_string() helper

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match_string() returns the index of an array for a matching string,
which can be used intead of open coded variant.

Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Yisheng Xie <xieyisheng1@huawei.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Yisheng Xie 2018-05-21 19:57:44 +08:00 committed by Luca Coelho
parent 136521cb9c
commit 5bea4304ee
1 changed files with 4 additions and 9 deletions
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13
drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
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@ -666,16 +666,11 @@ iwl_dbgfs_bt_force_ant_write(struct iwl_mvm *mvm, char *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)