From 56767638dd5573c6593522b65cd4f1092a6f214f Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Wed, 20 Aug 2014 10:21:07 +0300 Subject: [PATCH] iwlwifi: mvm: fail temp test enabling if the ucode is not loaded 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 Reviewed-by: Johannes Berg Signed-off-by: Emmanuel Grumbach --- 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 d98ee109c5e93..85eb847c749d3 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 */ -- 2.39.5