From: Roel Kluin <roel.kluin@gmail.com>
To: Mauro Carvalho Chehab <mchehab@infradead.org>,
linux-media@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>
Subject: [PATCH] V4L/DVB (7969): kmalloc failure ignored in m920x_firmware_download()
Date: Sat, 19 Sep 2009 01:10:28 +0200 [thread overview]
Message-ID: <4AB41364.20106@gmail.com> (raw)
Prevent NULL dereference if kmalloc() fails.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
---
Found with sed: http://kernelnewbies.org/roelkluin
Build tested.
diff --git a/drivers/media/dvb/dvb-usb/m920x.c b/drivers/media/dvb/dvb-usb/m920x.c
index aec7a19..ef9b7be 100644
--- a/drivers/media/dvb/dvb-usb/m920x.c
+++ b/drivers/media/dvb/dvb-usb/m920x.c
@@ -337,6 +337,8 @@ static int m920x_firmware_download(struct usb_device *udev, const struct firmwar
int i, pass, ret = 0;
buff = kmalloc(65536, GFP_KERNEL);
+ if (buff == NULL)
+ return -ENOMEM;
if ((ret = m920x_read(udev, M9206_FILTER, 0x0, 0x8000, read, 4)) != 0)
goto done;
reply other threads:[~2009-09-18 23:03 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
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