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linux/drivers/pci/probe.c
Ma Ke 9707d0c932 PCI: Fix reference leak in pci_register_host_bridge() 
commit 804443c1f2 upstream.

If device_register() fails, call put_device() to give up the reference to
avoid a memory leak, per the comment at device_register().

Found by code review.

Link: https://lore.kernel.org/r/20250225021440.3130264-1-make24@iscas.ac.cn
Fixes: 37d6a0a6f4 ("PCI: Add pci_register_host_bridge() interface")
Signed-off-by: Ma Ke <make24@iscas.ac.cn>
[bhelgaas: squash Dan Carpenter's double free fix from
https://lore.kernel.org/r/db806a6c-a91b-4e5a-a84b-6b7e01bdac85@stanley.mountain]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2025-04-20 10:15:58 +02:00

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