[patch] pinctrl: nsp-gpio: forever loop in nsp_gpio_get_strength()

[Dan Carpenter]

There is a signedness bug here so the loop will never exit.

Fixes: 8bfcbbbcabe0 ('pinctrl: nsp: add gpio-a driver support for Broadcom NSP 
SoC')
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>

diff --git a/drivers/pinctrl/bcm/pinctrl-nsp-gpio.c 
b/drivers/pinctrl/bcm/pinctrl-nsp-gpio.c
index 34648f6..ac7b010 100644
--- a/drivers/pinctrl/bcm/pinctrl-nsp-gpio.c
+++ b/drivers/pinctrl/bcm/pinctrl-nsp-gpio.c
@@ -439,9 +439,10 @@ static int nsp_gpio_set_strength(struct nsp_gpio *chip, 
unsigned gpio,
 static int nsp_gpio_get_strength(struct nsp_gpio *chip, unsigned gpio,
                                 u16 *strength)
 {
-       unsigned int i, offset, shift;
+       unsigned int offset, shift;
        u32 val;
        unsigned long flags;
+       int i;
 
        offset = NSP_GPIO_DRV_CTRL;
        shift = gpio;
--
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