[patch] Input: tnetv107x-keypad - make irqs signed for error handling

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There is a bug in keypad_probe() where we do:

	kp->irq_press   = platform_get_irq_byname(pdev, "press");
	kp->irq_release = platform_get_irq_byname(pdev, "release");
	if (kp->irq_press < 0 || kp->irq_release < 0) {

The problem is that these irq variables are unsigned so the error
handling doesn't work.  I've changed them to signed values.

Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

diff --git a/drivers/input/keyboard/tnetv107x-keypad.c b/drivers/input/keyboard/tnetv107x-keypad.c
index 5f7b427..8bd24d5 100644
--- a/drivers/input/keyboard/tnetv107x-keypad.c
+++ b/drivers/input/keyboard/tnetv107x-keypad.c
@@ -60,8 +60,8 @@ struct keypad_data {
 	struct clk			*clk;
 	struct device			*dev;
 	spinlock_t			lock;
-	u32				irq_press;
-	u32				irq_release;
+	int				irq_press;
+	int				irq_release;
 	int				rows, cols, row_shift;
 	int				debounce_ms, active_low;
 	u32				prev_keys[3];
--
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