[PATCH] fsldma: check for NO_IRQ in fsl_dma_chan_remove()
From: Peter Korsgaard <jacmet@sunsite.dk>
Date: 2009-01-14 16:20:20
Subsystem:
dma generic offload engine subsystem, freescale dma driver, the rest · Maintainers:
Vinod Koul, Zhang Wei, Linus Torvalds
There's no per-channel IRQ on mpc83xx, so only call free_irq if we have one. Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk> --- drivers/dma/fsldma.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index ca70a21..f48c0e6 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c@@ -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);
--
1.5.6.5