[PATCH v2 02/10] gpiolib: simplify for loop break condition

[Ahmad Fatoum <a.fatoum@pengutronix.de>]

From: Marco Felsch <m.felsch@pengutronix.de>

No functional change just a simplification to align it with the Linux
kernel. Also add the kernel comment to make the reason clear.

Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Reviewed-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
---
v1 -> v2:
  - no change
---
 drivers/gpio/gpiolib.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index b4a3a4e5504c..0df43c9f8f7e 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -529,7 +529,15 @@ static int of_gpiochip_scan_hogs(struct gpio_chip *chip)
 		of_property_read_string_array(chip->dev->of_node,
 					      "gpio-line-names", arr, count);
 
-		for (i = 0; i < chip->ngpio && i < count; i++)
+		/*
+		 * Since property 'gpio-line-names' cannot contains gaps, we
+		 * have to be sure we only assign those pins that really exists
+		 * since chip->ngpio can be less.
+		 */
+		if (count > chip->ngpio)
+			count = chip->ngpio;
+
+		for (i = 0; i < count; i++)
 			gpio_desc[chip->base + i].name = xstrdup(arr[i]);
 
 		free(arr);
-- 
2.39.2