[PATCH v2 3/8] gpiolib: Print actual error when descriptor contains an error pointer

[Andy Shevchenko]

Print the actual error when descriptor contains an error pointer.
This might help debugging those rare cases.

Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
 drivers/gpio/gpiolib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index d6a161dd737d..7f8e8c33207e 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -2443,7 +2443,7 @@ static int validate_desc(const struct gpio_desc *desc, const char *func)
 		return 0;
 
 	if (IS_ERR(desc)) {
-		pr_warn("%s: invalid GPIO (errorpointer)\n", func);
+		pr_warn("%s: invalid GPIO (errorpointer: %pe)\n", func, desc);
 		return PTR_ERR(desc);
 	}
 
-- 
2.47.2