| commit | 17bf8c9b3d499d5168537c98b61eb7a1fcbca6c2 | [log] [tgz] |
|---|---|---|
| author | Julian Wiedmann <jwi@linux.vnet.ibm.com> | Tue Mar 20 07:59:14 2018 +0100 |
| committer | David S. Miller <davem@davemloft.net> | Thu Mar 22 11:52:30 2018 -0400 |
| tree | 8a5ee073ef47f46c5955738bae849c9549f3b0c6 | |
| parent | 1063e432bb45be209427ed3f1ca3908e4aa3c7d7 [diff] |
s390/qeth: lock read device while queueing next buffer For calling ccw_device_start(), issue_next_read() needs to hold the device's ccwlock. This is satisfied for the IRQ handler path (where qeth_irq() gets called under the ccwlock), but we need explicit locking for the initial call by the MPC initialization. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>