[patch v2] iwlwifi: turn on a lockdep assertion

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CMD_SYNC is zero so the if (cmd->flags & CMD_SYNC) is never true and we
never check the assertion.

Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
v2: enables the assertion even more than v1 (based on feedback from
Johannes Berg).

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
index e55ec6c..5c04895 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
@@ -1259,7 +1259,7 @@ int iwl_dvm_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
 	 * the mutex, this ensures we don't try to send two
 	 * (or more) synchronous commands at a time.
 	 */
-	if (cmd->flags & CMD_SYNC)
+	if (!(cmd->flags & CMD_ASYNC))
 		lockdep_assert_held(&priv->mutex);
 
 	if (priv->ucode_owner == IWL_OWNERSHIP_TM &&
--
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