iwlwifi: always check that grab_nic_access succeeds

This allows to let sparse check that the NIC access is
always released.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/dvm/main.c b/drivers/net/wireless/iwlwifi/dvm/main.c
index 517d7ae..a64f361 100644
--- a/drivers/net/wireless/iwlwifi/dvm/main.c
+++ b/drivers/net/wireless/iwlwifi/dvm/main.c
@@ -354,7 +354,7 @@
 
 	/* Make sure device is powered up for SRAM reads */
 	spin_lock_irqsave(&priv->trans->reg_lock, reg_flags);
-	if (unlikely(!iwl_trans_grab_nic_access(priv->trans, false))) {
+	if (!iwl_trans_grab_nic_access(priv->trans, false)) {
 		spin_unlock_irqrestore(&priv->trans->reg_lock, reg_flags);
 		return;
 	}
@@ -1718,7 +1718,7 @@
 
 	/* Make sure device is powered up for SRAM reads */
 	spin_lock_irqsave(&trans->reg_lock, reg_flags);
-	if (unlikely(!iwl_trans_grab_nic_access(trans, false)))
+	if (!iwl_trans_grab_nic_access(trans, false))
 		goto out_unlock;
 
 	/* Set starting address; reads will auto-increment */