From: Roland Stigge <stigge@antcom.de>
Date: Tue, 16 Oct 2012 13:24:01 +0000 (+0200)
Subject: gpio-74x164: Fix buffer allocation size
X-Git-Tag: v3.7-rc4~21^2~4
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a48221a26e4914b7e2d8a1749b6115212bac8bee;p=profile%2Fivi%2Fkernel-x86-ivi.git

gpio-74x164: Fix buffer allocation size

The new registers handling in the gpio-74x164 driver allocates chip->registers
* 8 bytes where only one byte per register is necessary. This patch fixes this.

Signed-off-by: Roland Stigge <stigge@antcom.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---

diff --git a/drivers/gpio/gpio-74x164.c b/drivers/gpio/gpio-74x164.c
index ed3e551..f05e542 100644
--- a/drivers/gpio/gpio-74x164.c
+++ b/drivers/gpio/gpio-74x164.c
@@ -153,7 +153,7 @@ static int __devinit gen_74x164_probe(struct spi_device *spi)
 	}
 
 	chip->gpio_chip.ngpio = GEN_74X164_NUMBER_GPIOS * chip->registers;
-	chip->buffer = devm_kzalloc(&spi->dev, chip->gpio_chip.ngpio, GFP_KERNEL);
+	chip->buffer = devm_kzalloc(&spi->dev, chip->registers, GFP_KERNEL);
 	if (!chip->buffer) {
 		ret = -ENOMEM;
 		goto exit_destroy;