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iommu/fsl_pamu: Replace NO_IRQ by 0

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NO_IRQ is used to check the return of irq_of_parse_and_map().

On some architecture NO_IRQ is 0, on other architectures it is -1.

irq_of_parse_and_map() returns 0 on error, independent of NO_IRQ.

So use 0 instead of using NO_IRQ.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/2a2570a8d12c80a7d36837b6c586daa708ca09d7.1665033732.git.christophe.leroy@csgroup.eu
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Christophe Leroy 2022-10-06 07:24:03 +02:00 committed by Joerg Roedel
parent 30a0b95b13
commit 8330b9ebf9
1 changed files with 2 additions and 2 deletions
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4
drivers/iommu/fsl_pamu.c
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@ -779,7 +779,7 @@ static int fsl_pamu_probe(struct platform_device *pdev)
of_get_address(dev->of_node, 0, &size, NULL);
irq = irq_of_parse_and_map(dev->of_node, 0);
if (irq == NO_IRQ) {
if (!irq) {
dev_warn(dev, "no interrupts listed in PAMU node\n");
goto error;
}
@ -903,7 +903,7 @@ static int fsl_pamu_probe(struct platform_device *pdev)
return 0;
error:
if (irq != NO_IRQ)
if (irq)
free_irq(irq, data);
kfree_sensitive(data);