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s390/zcrypt: Fix AP queue handling if queue is full
[deliverable/linux.git]
/
drivers
/
s390
/
crypto
/
ap_bus.c
diff --git
a/drivers/s390/crypto/ap_bus.c
b/drivers/s390/crypto/ap_bus.c
index 61f768518a34b0e963cd6b569610045a3f65188b..24ec282e15d8ae436e7dab130a4696708e34be9e 100644
(file)
--- a/
drivers/s390/crypto/ap_bus.c
+++ b/
drivers/s390/crypto/ap_bus.c
@@
-599,8
+599,10
@@
static enum ap_wait ap_sm_read(struct ap_device *ap_dev)
status = ap_sm_recv(ap_dev);
switch (status.response_code) {
case AP_RESPONSE_NORMAL:
status = ap_sm_recv(ap_dev);
switch (status.response_code) {
case AP_RESPONSE_NORMAL:
- if (ap_dev->queue_count > 0)
+ if (ap_dev->queue_count > 0) {
+ ap_dev->state = AP_STATE_WORKING;
return AP_WAIT_AGAIN;
return AP_WAIT_AGAIN;
+ }
ap_dev->state = AP_STATE_IDLE;
return AP_WAIT_NONE;
case AP_RESPONSE_NO_PENDING_REPLY:
ap_dev->state = AP_STATE_IDLE;
return AP_WAIT_NONE;
case AP_RESPONSE_NO_PENDING_REPLY:
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