4 files changed, 43 insertions, 18 deletions

diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 3e25d31..4d6ba00 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -2942,13 +2942,33 @@ static int qeth_query_ipassists_cb(struct qeth_card *card,
 	QETH_DBF_TEXT(SETUP, 2, "qipasscb");
 
 	cmd = (struct qeth_ipa_cmd *) data;
+
+	switch (cmd->hdr.return_code) {
+	case IPA_RC_NOTSUPP:
+	case IPA_RC_L2_UNSUPPORTED_CMD:
+		QETH_DBF_TEXT(SETUP, 2, "ipaunsup");
+		card->options.ipa4.supported_funcs |= IPA_SETADAPTERPARMS;
+		card->options.ipa6.supported_funcs |= IPA_SETADAPTERPARMS;
+		return -0;
+	default:
+		if (cmd->hdr.return_code) {
+			QETH_DBF_MESSAGE(1, "%s IPA_CMD_QIPASSIST: Unhandled "
+						"rc=%d\n",
+						dev_name(&card->gdev->dev),
+						cmd->hdr.return_code);
+			return 0;
+		}
+	}
+
 	if (cmd->hdr.prot_version == QETH_PROT_IPV4) {
 		card->options.ipa4.supported_funcs = cmd->hdr.ipa_supported;
 		card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
-	} else {
+	} else if (cmd->hdr.prot_version == QETH_PROT_IPV6) {
 		card->options.ipa6.supported_funcs = cmd->hdr.ipa_supported;
 		card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
-	}
+	} else
+		QETH_DBF_MESSAGE(1, "%s IPA_CMD_QIPASSIST: Flawed LIC detected"
+					"\n", dev_name(&card->gdev->dev));
 	QETH_DBF_TEXT(SETUP, 2, "suppenbl");
 	QETH_DBF_TEXT_(SETUP, 2, "%08x", (__u32)cmd->hdr.ipa_supported);
 	QETH_DBF_TEXT_(SETUP, 2, "%08x", (__u32)cmd->hdr.ipa_enabled);
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index 2db4093..fddb626 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -626,10 +626,13 @@ static int qeth_l2_request_initial_mac(struct qeth_card *card)
 	QETH_DBF_TEXT(SETUP, 2, "doL2init");
 	QETH_DBF_TEXT_(SETUP, 2, "doL2%s", CARD_BUS_ID(card));
 
-	rc = qeth_query_setadapterparms(card);
-	if (rc) {
-		QETH_DBF_MESSAGE(2, "could not query adapter parameters on "
-			"device %s: x%x\n", CARD_BUS_ID(card), rc);
+	if (qeth_is_supported(card, IPA_SETADAPTERPARMS)) {
+		rc = qeth_query_setadapterparms(card);
+		if (rc) {
+			QETH_DBF_MESSAGE(2, "could not query adapter "
+				"parameters on device %s: x%x\n",
+				CARD_BUS_ID(card), rc);
+		}
 	}
 
 	if (card->info.type == QETH_CARD_TYPE_IQD ||
@@ -676,7 +679,7 @@ static int qeth_l2_set_mac_address(struct net_device *dev, void *p)
 		return -ERESTARTSYS;
 	}
 	rc = qeth_l2_send_delmac(card, &card->dev->dev_addr[0]);
-	if (!rc)
+	if (!rc || (rc == IPA_RC_L2_MAC_NOT_FOUND))
 		rc = qeth_l2_send_setmac(card, addr->sa_data);
 	return rc ? -EINVAL : 0;
 }
@@ -1141,11 +1144,12 @@ static int qeth_l2_recover(void *ptr)
 		dev_info(&card->gdev->dev,
 			"Device successfully recovered!\n");
 	else {
-		rtnl_lock();
-		dev_close(card->dev);
-		rtnl_unlock();
-		dev_warn(&card->gdev->dev, "The qeth device driver "
-			"failed to recover an error on the device\n");
+		if (rtnl_trylock()) {
+			dev_close(card->dev);
+			rtnl_unlock();
+			dev_warn(&card->gdev->dev, "The qeth device driver "
+				"failed to recover an error on the device\n");
+		}
 	}
 	qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
 	qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD);
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index 4cd310c..5ba3906 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -3510,11 +3510,12 @@ static int qeth_l3_recover(void *ptr)
 		dev_info(&card->gdev->dev,
 			"Device successfully recovered!\n");
 	else {
-		rtnl_lock();
-		dev_close(card->dev);
-		rtnl_unlock();
-		dev_warn(&card->gdev->dev, "The qeth device driver "
-			"failed to recover an error on the device\n");
+		if (rtnl_trylock()) {
+			dev_close(card->dev);
+			rtnl_unlock();
+			dev_warn(&card->gdev->dev, "The qeth device driver "
+				"failed to recover an error on the device\n");
+		}
 	}
 	qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
 	qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD);
diff --git a/drivers/s390/net/smsgiucv.c b/drivers/s390/net/smsgiucv.c
index 207b7d7..d8f990b 100644
--- a/drivers/s390/net/smsgiucv.c
+++ b/drivers/s390/net/smsgiucv.c
@@ -157,7 +157,7 @@ static int smsg_pm_restore_thaw(struct device *dev)
 #ifdef CONFIG_PM_DEBUG
 	printk(KERN_WARNING "smsg_pm_restore_thaw\n");
 #endif
-	if (smsg_path && iucv_path_connected) {
+	if (smsg_path && !iucv_path_connected) {
 		memset(smsg_path, 0, sizeof(*smsg_path));
 		smsg_path->msglim = 255;
 		smsg_path->flags = 0;