gpio: ep93xx: fix test for end of loop

The problem is that if port == ARRAY_SIZE() and "gc == &epg->gc[port]"
then that should be treated as invalid.

Fixes: fd935fc421e7 ("gpio: ep93xx: Do not pingpong irq numbers")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/gpio/gpio-ep93xx.c b/drivers/gpio/gpio-ep93xx.c
index dd22ea19c3ede882c4bd3ab15d9f138aa6c5fe9f..71728d6e0bca441ec7ce82ef9853f4a00ff37b40 100644 (file)
--- a/drivers/gpio/gpio-ep93xx.c
+++ b/drivers/gpio/gpio-ep93xx.c
@@ -80,7 +80,7 @@ static int ep93xx_gpio_port(struct gpio_chip *gc)
                port++;
 
        /* This should not happen but is there as a last safeguard */
-       if (gc != &epg->gc[port]) {
+       if (port == ARRAY_SIZE(epg->gc)) {
                pr_crit("can't find the GPIO port\n");
                return 0;
        }