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iwlwifi: mvm: don't send CTDP commands via debugfs if not supported

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

Fixes: 00f481bd89 ("iwlwifi: mvm: add ctdp operations to debugfs")
Signed-off-by: Matt Chen <matt.chen@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Matt Chen
2017-06-23 17:50:18 +08:00
committed by Luca Coelho
parent 6ca33f8bae
commit 0bef1b83d3
1 changed files with 6 additions and 0 deletions
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6
drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
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@@ -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;