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>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpio/gpio-74x164.c b/drivers/gpio/gpio-74x164.c
index ed3e55161bdc..f05e54258ffb 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;