iwmc3200wifi: Add a last_fw_err debugfs entry
In order to check what was the last fw error we got accross resets, we add
this debugfs entry. It displays the complete ASSERT information.
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwmc3200wifi/main.c b/drivers/net/wireless/iwmc3200wifi/main.c
index 6a5b76a..d668e47 100644
--- a/drivers/net/wireless/iwmc3200wifi/main.c
+++ b/drivers/net/wireless/iwmc3200wifi/main.c
@@ -260,6 +260,11 @@
iwm->watchdog.data = (unsigned long)iwm;
mutex_init(&iwm->mutex);
+ iwm->last_fw_err = kzalloc(sizeof(struct iwm_fw_error_hdr),
+ GFP_KERNEL);
+ if (iwm->last_fw_err == NULL)
+ return -ENOMEM;
+
return 0;
}
@@ -271,6 +276,7 @@
destroy_workqueue(iwm->txq[i].wq);
destroy_workqueue(iwm->rx_wq);
+ kfree(iwm->last_fw_err);
}
/*