[PATCH -next] dma: cppi41: fix error return code in cppi41_dma_probe()

From: Wei Yongjun
Date: Thu Aug 22 2013 - 22:59:23 EST


From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>

Fix to return -EINVAL in the irq parse and map error handling
case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
---
drivers/dma/cppi41.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/dma/cppi41.c b/drivers/dma/cppi41.c
index 5dcebca..49ea05a 100644
--- a/drivers/dma/cppi41.c
+++ b/drivers/dma/cppi41.c
@@ -973,8 +973,10 @@ static int cppi41_dma_probe(struct platform_device *pdev)
goto err_chans;

irq = irq_of_parse_and_map(pdev->dev.of_node, 0);
- if (!irq)
+ if (!irq) {
+ ret = -EINVAL;
goto err_irq;
+ }

cppi_writel(USBSS_IRQ_PD_COMP, cdd->usbss_mem + USBSS_IRQ_ENABLER);


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