virt: fsl_hypervisor: Replace NO_IRQ by 0

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>
Link: https://lore.kernel.org/r/20dd37b96bac0a72caef28e7462b32c93487a516.1665033909.git.christophe.leroy@csgroup.eu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/virt/fsl_hypervisor.c b/drivers/virt/fsl_hypervisor.c
index 07035249a5e1e875540cc663fc86bc45a5fdc08b..f8b4389d60d9fbcef826477eb52e93140958907d 100644 (file)
--- a/drivers/virt/fsl_hypervisor.c
+++ b/drivers/virt/fsl_hypervisor.c
@@ -839,7 +839,7 @@ static int __init fsl_hypervisor_init(void)
 
                handle = of_get_property(np, "interrupts", NULL);
                irq = irq_of_parse_and_map(np, 0);
-               if (!handle || (irq == NO_IRQ)) {
+               if (!handle || !irq) {
                        pr_err("fsl-hv: no 'interrupts' property in %pOF node\n",
                                np);
                        continue;