powerpc/eeh: avoid possible crash when edev->pdev changes

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[ Upstream commit a1216e62d0 ]

If a PCI device is removed during eeh_pe_report_edev(), edev->pdev
will change and can cause a crash, hold the PCI rescan/remove lock
while taking a copy of edev->pdev->bus.

Signed-off-by: Ganesh Goudar <ganeshgr@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20240617140240.580453-1-ganeshgr@linux.ibm.com
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Ganesh Goudar 2024-06-17 19:32:40 +05:30 • committed by Greg Kroah-Hartman

parent 1ee68686d1

commit 4bc246d2d6

1 changed files with 5 additions and 2 deletions

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arch/powerpc/kernel/eeh_pe.c

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