From: Johan Hovold <johan@hovoldconsulting.com>
Date: Thu, 19 Mar 2015 15:51:17 +0000 (+0100)
Subject: greybus: gpio: clean up line-state allocation
X-Git-Tag: v4.9-rc1~119^2~378^2~21^2~1660
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=64d2f4e5f94a95b23532efcbc3c955b5086bd890;p=karo-tx-linux.git

greybus: gpio: clean up line-state allocation

Clean up allocation of line-state array.

Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
---

diff --git a/drivers/staging/greybus/gpio.c b/drivers/staging/greybus/gpio.c
index a9153a85b011..b18fb7e12a5b 100644
--- a/drivers/staging/greybus/gpio.c
+++ b/drivers/staging/greybus/gpio.c
@@ -500,8 +500,6 @@ static void gb_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
 
 static int gb_gpio_controller_setup(struct gb_gpio_controller *ggc)
 {
-	u32 line_count;
-	size_t size;
 	int ret;
 
 	/* First thing we need to do is check the version */
@@ -514,9 +512,8 @@ static int gb_gpio_controller_setup(struct gb_gpio_controller *ggc)
 	if (ret)
 		return ret;
 
-	line_count = (u32)ggc->line_max + 1;
-	size = line_count * sizeof(*ggc->lines);
-	ggc->lines = kzalloc(size, GFP_KERNEL);
+	ggc->lines = kcalloc(ggc->line_max + 1, sizeof(*ggc->lines),
+			     GFP_KERNEL);
 	if (!ggc->lines)
 		return -ENOMEM;