PCI: Fix reference leak in pci_alloc_child_bus()

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commit 1f2768b6a3 upstream.

If device_register(&child->dev) fails, call put_device() to explicitly
release child->dev, per the comment at device_register().

Found by code review.

Link: https://lore.kernel.org/r/20250202062357.872971-1-make24@iscas.ac.cn
Fixes: 4f535093cf ("PCI: Put pci_dev in device tree as early as possible")
Signed-off-by: Ma Ke <make24@iscas.ac.cn>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Ma Ke 2025-02-02 14:23:57 +08:00 • committed by Greg Kroah-Hartman

parent 210f00e9b5

commit eb602e8c4e

1 changed files with 4 additions and 1 deletions

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drivers/pci/probe.c

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