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dmaengine: sirf: fix irq number error check

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irq_of_parse_and_map() returns 0 on error, no NO_IRQ, so the
failure condition can never be met.

This changes the comparison to check for zero instead.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Arnd Bergmann 2016-09-03 01:17:20 +02:00 committed by Vinod Koul
parent 028e84a1de
commit 524c6e04f8
1 changed files with 1 additions and 1 deletions
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2
drivers/dma/sirf-dma.c
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@ -869,7 +869,7 @@ static int sirfsoc_dma_probe(struct platform_device *op)
}
sdma->irq = irq_of_parse_and_map(dn, 0);
if (sdma->irq == NO_IRQ) {
if (!sdma->irq) {
dev_err(dev, "Error mapping IRQ!\n");
return -EINVAL;
}