iwlwifi: convert to use simple_open()

This removes an open coded simple_open() function and
replaces file operations references to the function
with simple_open() instead.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/iwlwifi/mvm/debugfs.c
index 9e53137..2ad3011 100644 (file)
--- a/drivers/net/wireless/iwlwifi/mvm/debugfs.c
+++ b/drivers/net/wireless/iwlwifi/mvm/debugfs.c
@@ -69,12 +69,6 @@ struct iwl_dbgfs_mvm_ctx {
        struct ieee80211_vif *vif;
 };
 
-static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file)
-{
-       file->private_data = inode->i_private;
-       return 0;
-}
-
 static ssize_t iwl_dbgfs_tx_flush_write(struct file *file,
                                        const char __user *user_buf,
                                        size_t count, loff_t *ppos)
@@ -309,7 +303,7 @@ static ssize_t iwl_dbgfs_power_down_d3_allow_write(struct file *file,
 #define MVM_DEBUGFS_READ_FILE_OPS(name)                                        \
 static const struct file_operations iwl_dbgfs_##name##_ops = { \
        .read = iwl_dbgfs_##name##_read,                                \
-       .open = iwl_dbgfs_open_file_generic,                            \
+       .open = simple_open,                                            \
        .llseek = generic_file_llseek,                                  \
 }
 
@@ -317,14 +311,14 @@ static const struct file_operations iwl_dbgfs_##name##_ops = {    \
 static const struct file_operations iwl_dbgfs_##name##_ops = { \
        .write = iwl_dbgfs_##name##_write,                              \
        .read = iwl_dbgfs_##name##_read,                                \
-       .open = iwl_dbgfs_open_file_generic,                            \
+       .open = simple_open,                                            \
        .llseek = generic_file_llseek,                                  \
 };
 
 #define MVM_DEBUGFS_WRITE_FILE_OPS(name)                               \
 static const struct file_operations iwl_dbgfs_##name##_ops = { \
        .write = iwl_dbgfs_##name##_write,                              \
-       .open = iwl_dbgfs_open_file_generic,                            \
+       .open = simple_open,                                            \
        .llseek = generic_file_llseek,                                  \
 };