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| author | Matt Chen <matt.chen@intel.com> | 2017-06-23 17:50:18 +0800 |
|---|---|---|
| committer | Luca Coelho <luciano.coelho@intel.com> | 2017-08-09 21:14:42 +0300 |
| commit | 0bef1b83d35566e9bc757469c823c126862a65d3 (patch) | |
| tree | 5cba3248bfa93f068022036f0188d01301cd9f3c /drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c | |
| parent | 6ca33f8bae01bd3f1949287a0339c3e6f9e96aca (diff) | |
| download | linux-0bef1b83d35566e9bc757469c823c126862a65d3.tar.bz2 | |
iwlwifi: mvm: don't send CTDP commands via debugfs if not supported
Fix this issue if it is not supported by the firmware.
Fixes: 00f481bd895a ("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>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c index 0b5cae54b86b..ceb486610a56 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c @@ -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; |