From: Luciano Coelho <luciano.coelho@xxxxxxxxx>
If the ucode is not loaded, don't allow the temperature test to be
started, but allow it to be changed or stopped if already running.
Signed-off-by: Luciano Coelho <luciano.coelho@xxxxxxxxx>
Reviewed-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
---
drivers/net/wireless/iwlwifi/mvm/debugfs.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/iwlwifi/mvm/debugfs.c
index d98ee10..85eb847 100644
--- a/drivers/net/wireless/iwlwifi/mvm/debugfs.c
+++ b/drivers/net/wireless/iwlwifi/mvm/debugfs.c
@@ -288,6 +288,9 @@ static ssize_t iwl_dbgfs_set_nic_temperature_write(struct iwl_mvm *mvm,
{
int temperature;
+ if (!mvm->ucode_loaded && !mvm->temperature_test)
+ return -EIO;
+
if (kstrtoint(buf, 10, &temperature))
return -EINVAL;
/* not a legal temperature */
--
1.9.1
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