From: Peter Huewe <peterhuewe@gmx.de>
Date: Thu, 7 Jan 2010 18:57:36 +0000 (+0100)
Subject: Staging: asus_oled: Add NULL test for kmalloc
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=0df28be06e08b9a53c26a53974bf3afea4928b3e;p=GitHub%2Fmt8127%2Fandroid_kernel_alcatel_ttab.git

Staging: asus_oled: Add NULL test for kmalloc

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

Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/staging/asus_oled/asus_oled.c b/drivers/staging/asus_oled/asus_oled.c
index 0c1fb0d618a5..c597fb27bd53 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);