diff options
author | Kumar Amit Mehta | 2013-03-25 06:37:48 +0100 |
---|---|---|
committer | Greg Kroah-Hartman | 2013-03-25 19:17:33 +0100 |
commit | d4113a69bc9ca518f492b2ad7d2d586cd2ca5803 (patch) | |
tree | b77beb0ec28c71834555f431cdf1ef1889bda4ec /drivers/staging | |
parent | staging: sb105x: Remove obsolete CONFIG_M386 (diff) | |
download | kernel-qcow2-linux-d4113a69bc9ca518f492b2ad7d2d586cd2ca5803.tar.gz kernel-qcow2-linux-d4113a69bc9ca518f492b2ad7d2d586cd2ca5803.tar.xz kernel-qcow2-linux-d4113a69bc9ca518f492b2ad7d2d586cd2ca5803.zip |
staging: vme: fix for a potential NULL pointer dereference
Audit the return value of cdev_alloc and hence fixes a potential NULL pointer
dereferencing.
Signed-off-by: Kumar Amit Mehta <gmate.amit@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging')
-rw-r--r-- | drivers/staging/vme/devices/vme_user.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/staging/vme/devices/vme_user.c b/drivers/staging/vme/devices/vme_user.c index d074b1ecb41a..da7f75984979 100644 --- a/drivers/staging/vme/devices/vme_user.c +++ b/drivers/staging/vme/devices/vme_user.c @@ -710,6 +710,10 @@ static int vme_user_probe(struct vme_dev *vdev) /* Register the driver as a char device */ vme_user_cdev = cdev_alloc(); + if (!vme_user_cdev) { + err = -ENOMEM; + goto err_char; + } vme_user_cdev->ops = &vme_user_fops; vme_user_cdev->owner = THIS_MODULE; err = cdev_add(vme_user_cdev, MKDEV(VME_MAJOR, 0), VME_DEVS); |