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authorJulian Wiedmann <jwi@linux.ibm.com>2020-05-04 19:39:42 +0200
committerDavid S. Miller <davem@davemloft.net>2020-05-04 11:21:40 -0700
commitc649c41d5d0f7d153bd5d5d9c093fec16ee03e00 (patch)
tree9e2568e215ceb8d10ec9c6913418828da361b1fd /drivers/s390
parentd975cb7ea915e64a3ebcfef8a33051f3e6bf22a8 (diff)
s390/qeth: fix cancelling of TX timer on dev_close()
With the introduction of TX coalescing, .ndo_start_xmit now potentially starts the TX completion timer. So only kill the timer _after_ TX has been disabled. Fixes: ee1e52d1e4bb ("s390/qeth: add TX IRQ coalescing support for IQD devices") Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/s390')
-rw-r--r--drivers/s390/net/qeth_core_main.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index f7689461c242..569966bdc513 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -6717,17 +6717,17 @@ int qeth_stop(struct net_device *dev)
unsigned int i;
/* Quiesce the NAPI instances: */
- qeth_for_each_output_queue(card, queue, i) {
+ qeth_for_each_output_queue(card, queue, i)
napi_disable(&queue->napi);
- del_timer_sync(&queue->timer);
- }
/* Stop .ndo_start_xmit, might still access queue->napi. */
netif_tx_disable(dev);
- /* Queues may get re-allocated, so remove the NAPIs here. */
- qeth_for_each_output_queue(card, queue, i)
+ qeth_for_each_output_queue(card, queue, i) {
+ del_timer_sync(&queue->timer);
+ /* Queues may get re-allocated, so remove the NAPIs. */
netif_napi_del(&queue->napi);
+ }
} else {
netif_tx_disable(dev);
}