qeth: avoid loop if ipa command response is missing

If qeth issues an ipa command, but for some reasons the response
never comes back, qeth reaches a timeout.
Reset the irq_pending flag of the write channel in timeout handling
code and trigger a recovery to avoid endless looping for the following
ipa command.

Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index 41ddf86c3421..d1257768be90 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -740,6 +740,7 @@ struct qeth_card {
         struct qeth_qdio_info qdio;
         struct qeth_perf_stats perf_stats;
         int use_hard_stop;
+        int read_or_write_problem;
         struct qeth_osn_info osn_info;
         struct qeth_discipline discipline;
         atomic_t force_alloc_skb;