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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>
This commit is contained in:
Michael Grzeschik 2014-09-29 11:55:34 +02:00 committed by David S. Miller
parent 41c91996d9
commit 226ee67515
1 changed files with 1 additions and 1 deletions
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2
drivers/net/arcnet/arcnet.c
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@ -777,7 +777,7 @@ irqreturn_t arcnet_interrupt(int irq, void *dev_id)
ACOMMAND(CFLAGScmd | RESETclear);
AINTMASK(0);
spin_unlock(&lp->lock);
return IRQ_HANDLED;
return retval;
}
BUGMSG(D_DURING, "in arcnet_inthandler (status=%Xh, intmask=%Xh)\n",