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Avoid trying to queue up an interrupt handler DPC if the driver

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hasn't called NdisMRegisterInterrupt() yet.
This commit is contained in:
wpaul 2005-05-08 09:36:16 +00:00
parent 36f8fdfd36
commit 5eb4a38484
1 changed files with 1 additions and 1 deletions
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2
sys/dev/if_ndis/if_ndis.c
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@ -1152,7 +1152,7 @@ ndis_intr(arg)
ifp = &sc->arpcom.ac_if;
intr = sc->ndis_block->nmb_interrupt;
if (sc->ndis_block->nmb_miniportadapterctx == NULL)
if (intr == NULL || sc->ndis_block->nmb_miniportadapterctx == NULL)
return;
KeAcquireSpinLock(&intr->ni_dpccountlock, &irql);