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[PATCH 23/25] iwlwifi: mvm: mark ret as maybe_unused in iwl_dbgfs_fw_restart_write()

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From: Luca Coelho <luciano.coelho@xxxxxxxxx>

The value returned from iwl_mvm_send_cmd_pdu() in this function is not
used and always returns an error (which is the whole point of the
call).  Tag the ret variable with __maybe_unused to avoid this compile
warning when W=1 is used:

/home/luca/iwlwifi/stack-dev/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c: In function ‘iwl_dbgfs_fw_restart_write’:
/home/luca/iwlwifi/stack-dev/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c:875:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
  int ret;
      ^

Signed-off-by: Luca Coelho <luciano.coelho@xxxxxxxxx>
---
 drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
index 7b7d2a146e30..a260cd503200 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
@@ -798,7 +798,7 @@ static ssize_t iwl_dbgfs_drv_rx_stats_read(struct file *file,
 static ssize_t iwl_dbgfs_fw_restart_write(struct iwl_mvm *mvm, char *buf,
 					  size_t count, loff_t *ppos)
 {
-	int ret;
+	int __maybe_unused ret;
 
 	mutex_lock(&mvm->mutex);
 
-- 
2.11.0




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