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Don't register cb_func_filt if the client driver doesn't have a filter.

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ditto for the isr.

Reviewed/Suggested by: simokawa-san
This commit is contained in:
Warner Losh 2007-06-04 03:13:24 +00:00
parent c485ab2d8d
commit 16f89cb420
1 changed files with 3 additions and 4 deletions
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7
sys/dev/pccbb/pccbb.c
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@ -382,7 +382,8 @@ cbb_setup_intr(device_t dev, device_t child, struct resource *irq,
* XXX for now that's all we need to do.
*/
err = BUS_SETUP_INTR(device_get_parent(dev), child, irq, flags,
cbb_func_filt, cbb_func_intr, ih, &ih->cookie);
filt ? cbb_func_filt : NULL, intr ? cbb_func_intr : NULL, ih,
&ih->cookie);
if (err != 0) {
free(ih, M_DEVBUF);
return (err);
@ -628,9 +629,7 @@ cbb_func_filt(void *arg)
* nb: don't have to check for giant or not, since that's done in the
* ISR dispatch and one can't hold Giant in a filter anyway...
*/
if (ih->filt != NULL)
return ((*ih->filt)(ih->arg));
return (FILTER_SCHEDULE_THREAD);
return ((*ih->filt)(ih->arg));
}
static void