[PATCH] dmaengine: sirf: fix irq number error check

[Arnd Bergmann]

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 
---
 drivers/dma/sirf-dma.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dma/sirf-dma.c b/drivers/dma/sirf-dma.c
index a96e4a480de5..8f62edad51be 100644
--- a/drivers/dma/sirf-dma.c
+++ b/drivers/dma/sirf-dma.c
@@ -866,7 +866,7 @@ 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;
}
-- 
2.9.0

[PATCH] dmaengine: sirf: fix irq number error check

[Arnd Bergmann]

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 
---
 drivers/dma/sirf-dma.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dma/sirf-dma.c b/drivers/dma/sirf-dma.c
index a96e4a480de5..8f62edad51be 100644
--- a/drivers/dma/sirf-dma.c
+++ b/drivers/dma/sirf-dma.c
@@ -866,7 +866,7 @@ 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;
}
-- 
2.9.0