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irda: via-ircc proper dma freeing

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1. dma should be freed when dma2 request fail.
2. dma2 should be freed too when device close.

Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
Signed-off-by: Samuel Ortiz <samuel@sortiz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Wang Chen 2008-07-08 03:06:46 -07:00 committed by David S. Miller
parent 3888e9efc9
commit 568b4933a9
1 changed files with 3 additions and 0 deletions
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3
drivers/net/irda/via-ircc.c
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@ -1546,6 +1546,7 @@ static int via_ircc_net_open(struct net_device *dev)
IRDA_WARNING("%s, unable to allocate dma2=%d\n",
driver_name, self->io.dma2);
free_irq(self->io.irq, self);
free_dma(self->io.dma);
return -EAGAIN;
}
}
@ -1606,6 +1607,8 @@ static int via_ircc_net_close(struct net_device *dev)
EnAllInt(iobase, OFF);
free_irq(self->io.irq, dev);
free_dma(self->io.dma);
if (self->io.dma2 != self->io.dma)
free_dma(self->io.dma2);
return 0;
}