Audit the return value of cdev_alloc and hence fixes a potential NULL pointer dereferencing.
Signed-off-by: Kumar Amit Mehta <[email protected]> --- drivers/staging/vme/devices/vme_user.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/staging/vme/devices/vme_user.c b/drivers/staging/vme/devices/vme_user.c index d074b1e..da7f759 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); -- 1.7.9.5 _______________________________________________ devel mailing list [email protected] http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
