[PATCH] mfd: pm8921: fixup probe() error path when irq invalid

[Josh Cartwright]

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

Cc: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>
Signed-off-by: Josh Cartwright <joshc@xxxxxxxxxxxxxx>
---
 drivers/mfd/pm8921-core.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/mfd/pm8921-core.c b/drivers/mfd/pm8921-core.c
index 3aab6ac..d48452d 100644
--- a/drivers/mfd/pm8921-core.c
+++ b/drivers/mfd/pm8921-core.c
@@ -403,9 +403,8 @@ 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;
-- 
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