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fix for older KERNELS

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internal 2024-02-05 10:33:20 +01:00
parent a1c604f212
commit 09021aec73
1 changed files with 9 additions and 3 deletions
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12
dvb-core/dvb_frontend.c
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@ -299,12 +299,17 @@ static int dvb_frontend_get_event(struct dvb_frontend *fe,
}
if (events->eventw == events->eventr) {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 0, 0))
struct wait_queue_entry wait;
#endif
int ret = 0;
if (flags & O_NONBLOCK)
return -EWOULDBLOCK;
#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 0, 0))
ret = wait_event_interruptible(events->wait_queue,
dvb_frontend_test_event(fepriv, events));
#else
init_waitqueue_entry(&wait, current);
add_wait_queue(&events->wait_queue, &wait);
while (!dvb_frontend_test_event(fepriv, events)) {
@ -315,6 +320,7 @@ static int dvb_frontend_get_event(struct dvb_frontend *fe,
}
}
remove_wait_queue(&events->wait_queue, &wait);
#endif
if (ret < 0)
return ret;
}
@ -496,10 +502,10 @@ static void dvb_frontend_swzigzag(struct dvb_frontend *fe)
struct dvb_frontend_private *fepriv = fe->frontend_priv;
struct dtv_frontend_properties *c = &fe->dtv_property_cache, tmp;
if (fepriv->max_drift)
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 0, 0))
dev_warn_once(fe->dvb->device,
"Frontend requested software zigzag, but didn't set the frequency step size\n");
#endif
/* if we've got no parameters, just keep idling */
if (fepriv->state & FESTATE_IDLE) {
fepriv->delay = 3 * HZ;