Patch "s390/qeth: fix early exit from error path" has been added to the 4.9-stable tree

Patch "s390/qeth: fix early exit from error path" has been added to the 4.9-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    s390/qeth: fix early exit from error path

to the 4.9-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     s390-qeth-fix-early-exit-from-error-path.patch
and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From foo@baz Thu Dec 14 11:45:58 CET 2017
From: Julian Wiedmann <jwi@linux.vnet.ibm.com>
Date: Wed, 18 Oct 2017 17:40:17 +0200
Subject: s390/qeth: fix early exit from error path

From: Julian Wiedmann <jwi@linux.vnet.ibm.com>


[ Upstream commit 83cf79a2fec3cf499eb6cb9eb608656fc2a82776 ]

When the allocation of the addr buffer fails, we need to free
our refcount on the inetdevice before returning.

Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/s390/net/qeth_l3_main.c |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -1593,7 +1593,7 @@ static void qeth_l3_free_vlan_addresses4
 
 	addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV4);
 	if (!addr)
-		return;
+		goto out;
 
 	spin_lock_bh(&card->ip_lock);
 
@@ -1607,6 +1607,7 @@ static void qeth_l3_free_vlan_addresses4
 	spin_unlock_bh(&card->ip_lock);
 
 	kfree(addr);
+out:
 	in_dev_put(in_dev);
 }
 
@@ -1631,7 +1632,7 @@ static void qeth_l3_free_vlan_addresses6
 
 	addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV6);
 	if (!addr)
-		return;
+		goto out;
 
 	spin_lock_bh(&card->ip_lock);
 
@@ -1646,6 +1647,7 @@ static void qeth_l3_free_vlan_addresses6
 	spin_unlock_bh(&card->ip_lock);
 
 	kfree(addr);
+out:
 	in6_dev_put(in6_dev);
 #endif /* CONFIG_QETH_IPV6 */
 }


Patches currently in stable-queue which might be from jwi@linux.vnet.ibm.com are

queue-4.9/s390-qeth-fix-thinko-in-ipv4-multicast-address-tracking.patch
queue-4.9/s390-qeth-fix-gso-throughput-regression.patch
queue-4.9/s390-qeth-fix-early-exit-from-error-path.patch
queue-4.9/s390-qeth-build-max-size-gso-skbs-on-l2-devices.patch