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path: root/drivers/net/wireless/iwlwifi/iwl-hcmd.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-hcmd.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-hcmd.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-hcmd.c b/drivers/net/wireless/iwlwifi/iwl-hcmd.c
index 86783c27d97..73681c4fefe 100644
--- a/drivers/net/wireless/iwlwifi/iwl-hcmd.c
+++ b/drivers/net/wireless/iwlwifi/iwl-hcmd.c
@@ -164,15 +164,13 @@ int iwl_send_cmd_sync(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
/* A synchronous command can not have a callback set. */
BUG_ON(cmd->callback);
- if (test_and_set_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status)) {
- IWL_ERR(priv,
- "Error sending %s: Already sending a host command\n",
+ IWL_DEBUG_INFO(priv, "Attempting to send sync command %s\n",
get_cmd_string(cmd->id));
- ret = -EBUSY;
- goto out;
- }
+ mutex_lock(&priv->sync_cmd_mutex);
set_bit(STATUS_HCMD_ACTIVE, &priv->status);
+ IWL_DEBUG_INFO(priv, "Setting HCMD_ACTIVE for command %s \n",
+ get_cmd_string(cmd->id));
cmd_idx = iwl_enqueue_hcmd(priv, cmd);
if (cmd_idx < 0) {
@@ -193,6 +191,8 @@ int iwl_send_cmd_sync(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
jiffies_to_msecs(HOST_COMPLETE_TIMEOUT));
clear_bit(STATUS_HCMD_ACTIVE, &priv->status);
+ IWL_DEBUG_INFO(priv, "Clearing HCMD_ACTIVE for command %s \n",
+ get_cmd_string(cmd->id));
ret = -ETIMEDOUT;
goto cancel;
}
@@ -237,7 +237,7 @@ fail:
cmd->reply_page = 0;
}
out:
- clear_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status);
+ mutex_unlock(&priv->sync_cmd_mutex);
return ret;
}
EXPORT_SYMBOL(iwl_send_cmd_sync);