x86/PCI: MMCONFIG: Check earlier for MMCONFIG region at address zero

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We can check for addr being zero earlier and thus avoid the mutex_unlock()
cleanup path.

[bhelgaas: drop warning printk]
Signed-off-by: ethan.zhao <ethan.zhao@oracle.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Yinghai Lu <yinghai@kernel.org>

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ethan.zhao 2013-07-26 11:21:24 -06:00 • committed by Bjorn Helgaas

parent 56039e658c

commit 07f9b61c39

1 changed files with 1 additions and 6 deletions

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arch/x86/pci/mmconfig-shared.c

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