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fsldma: check for NO_IRQ in fsl_dma_chan_remove() 

There's no per-channel IRQ on mpc83xx, so only call free_irq if we have one.

Acked-by: Timur Tabi <timur@freescale.com>
Acked-by: Li Yang <leoli@freescale.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Peter Korsgaard 2009-01-14 22:32:58 -07:00 committed by Dan Williams
parent d86be86e9a
commit 6782dfe44a
1 changed files with 2 additions and 1 deletions
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3
drivers/dma/fsldma.c
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@ -890,7 +890,8 @@ err_no_reg:
static void fsl_dma_chan_remove(struct fsl_dma_chan *fchan)
{
free_irq(fchan->irq, fchan);
if (fchan->irq != NO_IRQ)
free_irq(fchan->irq, fchan);
list_del(&fchan->common.device_node);
iounmap(fchan->reg_base);
kfree(fchan);