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Commit 0bef1b83 authored by Matt Chen's avatar Matt Chen Committed by Luca Coelho
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iwlwifi: mvm: don't send CTDP commands via debugfs if not supported 



Fix this issue if it is not supported by the firmware.

Fixes: 00f481bd ("iwlwifi: mvm: add ctdp operations to debugfs")
Signed-off-by: default avatarMatt Chen <matt.chen@intel.com>
Signed-off-by: default avatarLuca Coelho <luciano.coelho@intel.com>
parent 6ca33f8b

drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c

+6 −0
Original line number Diff line number Diff line
@@ -82,6 +82,9 @@ static ssize_t iwl_dbgfs_ctdp_budget_read(struct file *file, 
	char buf[16];

	int pos, budget;



	if (!iwl_mvm_is_ctdp_supported(mvm))

		return -EOPNOTSUPP;



	if (!iwl_mvm_firmware_running(mvm) ||

	    mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)

		return -EIO;
@@ -103,6 +106,9 @@ static ssize_t iwl_dbgfs_stop_ctdp_write(struct iwl_mvm *mvm, char *buf, 
{

	int ret;



	if (!iwl_mvm_is_ctdp_supported(mvm))

		return -EOPNOTSUPP;



	if (!iwl_mvm_firmware_running(mvm) ||

	    mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)

		return -EIO;