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PCI: keystone: Fix error handling of irq_of_parse_and_map() 

Return value of irq_of_parse_and_map() is unsigned int, with 0 indicating
failure, so testing for negative result never works.

Signed-off-by: Dmitry Torokhov <dtor@chromium.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-By: Murali Karicheri <m-karicheri2@ti.com>
This commit is contained in:
Dmitry Torokhov 2014-11-14 14:19:03 -08:00 committed by Bjorn Helgaas
parent 97bf6af1f9
commit ea3651fee6
1 changed files with 1 additions and 1 deletions
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2
drivers/pci/host/pci-keystone.c
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@ -197,7 +197,7 @@ static int ks_pcie_get_irq_controller_info(struct keystone_pcie *ks_pcie,
*/ */
for (temp = 0; temp < max_host_irqs; temp++) { for (temp = 0; temp < max_host_irqs; temp++) {
host_irqs[temp] = irq_of_parse_and_map(*np_temp, temp); host_irqs[temp] = irq_of_parse_and_map(*np_temp, temp);
if (host_irqs[temp] < 0) if (!host_irqs[temp])
break; break;
} }
if (temp) { if (temp) {