[PATCH 07/33] iwlwifi: mvm: use match_string() helper

[Yisheng Xie]

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;
-- 
1.7.12.4