mfd: pm8921: Fixup probe() error path when irq invalid

platform_get_irq() returns a negative error code when an IRQ is invalid
or unspecified.  Make 'irq' signed to properly handle this.

Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Josh Cartwright <joshc@codeaurora.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/mfd/pm8921-core.c b/drivers/mfd/pm8921-core.c
index 1153e8a3a556..b97a97187ae9 100644
--- a/drivers/mfd/pm8921-core.c
+++ b/drivers/mfd/pm8921-core.c
@@ -394,9 +394,8 @@ static int pm8921_probe(struct platform_device *pdev)
 {
         struct pm8921 *pmic;
         struct regmap *regmap;
-        int rc;
+        int irq, rc;
         unsigned int val;
-        unsigned int irq;
         u32 rev;
         struct pm_irq_chip *chip;
         unsigned int nirqs = PM8921_NR_IRQS;