diff options
| author | Kumar Amit Mehta <gmate.amit@gmail.com> | 2013-03-24 22:37:48 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-03-25 11:17:33 -0700 |
| commit | d4113a69bc9ca518f492b2ad7d2d586cd2ca5803 (patch) | |
| tree | b77beb0ec28c71834555f431cdf1ef1889bda4ec /drivers/staging/vme/devices/vme_user.c | |
| parent | 50e4d3ac039b733400673c62ba57de6ec13b3fbe (diff) | |
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/vme/devices/vme_user.c')
| -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 d074b1ecb41..da7f7598497 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); |