diff options
| author | Wey-Yi Guy <wey-yi.w.guy@intel.com> | 2011-11-10 14:55:19 (GMT) |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-11-11 17:32:55 (GMT) |
| commit | 94b3c45c7be7a392764e5945d4ebb095a42e5ef0 (patch) | |
| tree | 35cf57a781610d8401d45a7f7ce58336c8907fc0 /drivers | |
| parent | 89db3b972c997d910b648497345fb0410ad04aec (diff) | |
| download | linux-94b3c45c7be7a392764e5945d4ebb095a42e5ef0.tar.xz | |
iwlwifi: check status before send command
Check the status before sending host command, if any of the condition
match, cancel the host command before queue
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c index 461e1ae..09a31dc 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c +++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c @@ -1001,6 +1001,20 @@ static int iwl_send_cmd_sync(struct iwl_trans *trans, struct iwl_host_cmd *cmd) IWL_DEBUG_INFO(trans, "Attempting to send sync command %s\n", get_cmd_string(cmd->id)); + if (test_bit(STATUS_EXIT_PENDING, &trans->shrd->status)) + return -EBUSY; + + + if (test_bit(STATUS_RF_KILL_HW, &trans->shrd->status)) { + IWL_ERR(trans, "Command %s aborted: RF KILL Switch\n", + get_cmd_string(cmd->id)); + return -ECANCELED; + } + if (test_bit(STATUS_FW_ERROR, &trans->shrd->status)) { + IWL_ERR(trans, "Command %s failed: FW Error\n", + get_cmd_string(cmd->id)); + return -EIO; + } set_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status); IWL_DEBUG_INFO(trans, "Setting HCMD_ACTIVE for command %s\n", get_cmd_string(cmd->id)); @@ -1041,18 +1055,6 @@ static int iwl_send_cmd_sync(struct iwl_trans *trans, struct iwl_host_cmd *cmd) } } - if (test_bit(STATUS_RF_KILL_HW, &trans->shrd->status)) { - IWL_ERR(trans, "Command %s aborted: RF KILL Switch\n", - get_cmd_string(cmd->id)); - ret = -ECANCELED; - goto fail; - } - if (test_bit(STATUS_FW_ERROR, &trans->shrd->status)) { - IWL_ERR(trans, "Command %s failed: FW Error\n", - get_cmd_string(cmd->id)); - ret = -EIO; - goto fail; - } if ((cmd->flags & CMD_WANT_SKB) && !cmd->reply_page) { IWL_ERR(trans, "Error: Response NULL in '%s'\n", get_cmd_string(cmd->id)); |