* [PATCH] staging/asus_oled: Add NULL test for kmalloc
@ 2010-01-07 19:03 Peter Huewe
0 siblings, 0 replies; only message in thread
From: Peter Huewe @ 2010-01-07 19:03 UTC (permalink / raw)
To: Greg Kroah-Hartman
Cc: Andre Haupt, Kevin A. Granade, linux-kernel, devel, sjakub
From: Peter Huewe <peterhuewe@gmx.de>
Date: Thu, 7 Jan 2010 19:57:36 +0100
This patch adds a NULL test to check wether kmalloc was successful or
not.
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
---
Patch against Linux-next of Do 7. Jan 19:59:41 CET 2010
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);
--
1.6.4.4
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2010-01-07 19:03 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2010-01-07 19:03 [PATCH] staging/asus_oled: Add NULL test for kmalloc Peter Huewe
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
Powered by JetHome