ARCNET: return IRQ_NONE if the interface isn't running
The interrupt handler needs to return IRQ_NONE in case two devices are used with the shared interrupt handler. Otherwise it could steal interrupts from the other interface. Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -777,7 +777,7 @@ irqreturn_t arcnet_interrupt(int irq, void *dev_id)
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ACOMMAND(CFLAGScmd | RESETclear);
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AINTMASK(0);
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spin_unlock(&lp->lock);
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return IRQ_HANDLED;
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return retval;
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}
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BUGMSG(D_DURING, "in arcnet_inthandler (status=%Xh, intmask=%Xh)\n",
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