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authorUrsula Braun <ubraun@linux.vnet.ibm.com>2016-07-04 14:07:16 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-08-10 11:49:28 +0200
commitb782756a66d302dfc8f3b9786672c965eae35a17 (patch)
tree556a993aaaa707e1c032538ecd212d2dcef155cf /drivers/s390/net/qeth_l3_main.c
parent69ca969a2626dc4b3bb83b953c053a01e3b9f7e6 (diff)
qeth: delete napi struct when removing a qeth device
commit 7831b4ff0d926e0deeaabef9db8800ed069a2757 upstream. A qeth_card contains a napi_struct linked to the net_device during device probing. This struct must be deleted when removing the qeth device, otherwise Panic on oops can occur when qeth devices are repeatedly removed and added. Fixes: a1c3ed4c9ca ("qeth: NAPI support for l2 and l3 discipline") Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Tested-by: Alexander Klein <ALKL@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/s390/net/qeth_l3_main.c')
-rw-r--r--drivers/s390/net/qeth_l3_main.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index 543960e96b42..50cec6b13d27 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -3246,6 +3246,7 @@ static void qeth_l3_remove_device(struct ccwgroup_device *cgdev)
qeth_l3_set_offline(cgdev);
if (card->dev) {
+ netif_napi_del(&card->napi);
unregister_netdev(card->dev);
card->dev = NULL;
}