3bfd44306c65 ("pinctrl: amd: Add support for additional GPIO")
created the following warning:
drivers/pinctrl/pinctrl-amd.c: In function 'amd_gpio_dbg_show':
drivers/pinctrl/pinctrl-amd.c:210:3: warning: 'pin_num' may be used
uninitialized in this function [-Wmaybe-uninitialized]
for (; i < pin_num; i++) {
^
drivers/pinctrl/pinctrl-amd.c:172:21: warning: 'i' may be used uninitialized in
this function [-Wmaybe-uninitialized]
unsigned int bank, i, pin_num;
^
Fix this by adding a guarding default case for illegal
bank numbers.
Cc: S-k Shyam-sundar <shyam-sundar....@amd.com>
Cc: Nehal Shah <nehal-bakulchandra.s...@amd.com>
Signed-off-by: Linus Walleij <linus.wall...@linaro.org>
---
drivers/pinctrl/pinctrl-amd.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c
index 47b17100410e..c2203699f1ab 100644
--- a/drivers/pinctrl/pinctrl-amd.c
+++ b/drivers/pinctrl/pinctrl-amd.c
@@ -206,6 +206,9 @@ static void amd_gpio_dbg_show(struct seq_file *s, struct
gpio_chip *gc)
i = 192;
pin_num = AMD_GPIO_PINS_BANK3 + i;
break;
+ default:
+ /* Illegal bank number, ignore */
+ continue;
}
for (; i < pin_num; i++) {
seq_printf(s, "pin%d\t", i);
--
2.9.3
