mt76: mt7915: Fix PCI device refcount leak in mt7915_pci_init_hif2()

Vulnerability Description

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7915: Fix PCI device refcount leak in mt7915_pci_init_hif2() As comment of pci_get_device() says, it returns a pci_device with its refcount increased. We need to call pci_dev_put() to decrease the refcount. Save the return value of pci_get_device() and call pci_dev_put() to decrease the refcount.

References

• https://git.kernel.org/stable/c/8abc6579667129afd13ff2ccb0319ba3f46e6995
• https://git.kernel.org/stable/c/2d4b9c7e81f3a4df27749ebecb426b145e68be2a
• https://git.kernel.org/stable/c/5938196cc188ba4323bc6357f5ac55127d715888