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Commit d4113a69 authored by Kumar Amit Mehta's avatar Kumar Amit Mehta Committed by Greg Kroah-Hartman
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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: default avatarKumar Amit Mehta <gmate.amit@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 50e4d3ac

drivers/staging/vme/devices/vme_user.c

+4 −0
Original line number Diff line number Diff line
@@ -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);