[PATCH 129/368] Staging: asus_oled: Add NULL test for kmalloc

[Greg KH]

From: Peter Huewe <peterhuewe at gmx.de>

This patch adds a NULL test to check wether kmalloc was successful or
not.

Signed-off-by: Peter Huewe <peterhuewe at gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh at suse.de>
---
 drivers/staging/asus_oled/asus_oled.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/drivers/staging/asus_oled/asus_oled.c b/drivers/staging/asus_oled/asus_oled.c
index 0c1fb0d..c597fb2 100644
--- a/drivers/staging/asus_oled/asus_oled.c
+++ b/drivers/staging/asus_oled/asus_oled.c
@@ -430,6 +430,11 @@ static ssize_t odev_set_picture(struct asus_oled_dev *odev,
 
 		kfree(odev->buf);
 		odev->buf = kmalloc(odev->buf_size, GFP_KERNEL);
+		if (odev->buf == NULL) {
+			odev->buf_size = 0;
+			printk(ASUS_OLED_ERROR "Out of memory!\n");
+			return -ENOMEM;
+		}
 
 		memset(odev->buf, 0xff, odev->buf_size);
 
-- 
1.7.0.1