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dpc: fix possible race

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Matheus
2024-08-14 16:39:27 -03:00
parent 227b390f30
commit bf7851b352
1 changed files with 2 additions and 1 deletions
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kernel-src/sys/dpc.c
+2 -1
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@@ -28,12 +28,13 @@ static void isrfn(isr_t *self, context_t *context) {
while (_cpu()->dpcqueue) { while (_cpu()->dpcqueue) {
dpc_t *dpc = _cpu()->dpcqueue; dpc_t *dpc = _cpu()->dpcqueue;
remove(dpc); remove(dpc);
dpcarg_t arg = dpc->arg;
__assert(dpc->enqueued); __assert(dpc->enqueued);
dpc->enqueued = false; dpc->enqueued = false;
interrupt_set(true); interrupt_set(true);
dpc->fn(context, dpc->arg); dpc->fn(context, arg);
interrupt_set(false); interrupt_set(false);
} }
} }