[patch] gpio: brcmstb: missing error code

[Dan Carpenter <dan.carpenter@xxxxxxxxxx>]

We should set the error code before returning here.  Otherwise "err"
could be uninitialized or zero.

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

diff --git a/drivers/gpio/gpio-brcmstb.c b/drivers/gpio/gpio-brcmstb.c
index 42d51c5..e648914 100644
--- a/drivers/gpio/gpio-brcmstb.c
+++ b/drivers/gpio/gpio-brcmstb.c
@@ -461,6 +461,7 @@ static int brcmstb_gpio_probe(struct platform_device *pdev)
 		bank->id = num_banks;
 		if (bank_width <= 0 || bank_width > MAX_GPIO_PER_BANK) {
 			dev_err(dev, "Invalid bank width %d\n", bank_width);
+			err = -EINVAL;
 			goto fail;
 		} else {
 			bank->width = bank_width;
--
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