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 <d...@chromium.org>
---
Not tested, found by casual code inspection.
drivers/hsi/clients/nokia-modem.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/hsi/clients/nokia-modem.c
b/drivers/hsi/clients/nokia-modem.c
index e43c3c9..32cc9af 100644
--- a/drivers/hsi/clients/nokia-modem.c
+++ b/drivers/hsi/clients/nokia-modem.c
@@ -164,9 +164,9 @@ static int nokia_modem_probe(struct device *dev)
dev_set_drvdata(dev, modem);
irq = irq_of_parse_and_map(np, 0);
- if (irq < 0) {
+ if (!irq) {
dev_err(dev, "Invalid rst_ind interrupt (%d)\n", irq);
- return irq;
+ return -EINVAL;
}
modem->nokia_modem_rst_ind_irq = irq;
pflags = irq_get_trigger_type(irq);
--
2.1.0.rc2.206.gedb03e5
--
Dmitry
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