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dma: mv_xor: fix error checking of irq_of_parse_and_map()

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The irq_of_parse_and_map() function returns 0 on failure, and does not
return an error code, so we fix the calling site of
irq_of_parse_and_map() in the mv_xor driver.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Thomas Petazzoni 2012-11-22 18:22:12 +01:00
parent 2d0a074517
commit f8eb9e7d2a
1 changed files with 2 additions and 2 deletions
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4
drivers/dma/mv_xor.c
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@ -1312,8 +1312,8 @@ static int __devinit mv_xor_probe(struct platform_device *pdev)
dma_cap_set(DMA_INTERRUPT, cap_mask);
irq = irq_of_parse_and_map(np, 0);
if (irq < 0) {
ret = irq;
if (!irq) {
ret = -ENODEV;
goto err_channel_add;
}