fsl/fman: Fix refcount handling of fman-related devices

Vulnerability Description

In the Linux kernel, the following vulnerability has been resolved: fsl/fman: Fix refcount handling of fman-related devices In mac_probe() there are multiple calls to of_find_device_by_node(), fman_bind() and fman_port_bind() which takes references to of_dev->dev. Not all references taken by these calls are released later on error path in mac_probe() and in mac_remove() which lead to reference leaks. Add references release.

References

• https://git.kernel.org/stable/c/5ed4334fc9512f934fe2ae9c4cf7f8142e451b8b
• https://git.kernel.org/stable/c/3c2a3619d565fe16bf59b0a047bab103a2ee4490
• https://git.kernel.org/stable/c/1dec67e0d9fbb087c2ab17bf1bd17208231c3bb1