release 6.14.1
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debian/patches/patchset-pf/fixes/0010-PCI-Fix-wrong-length-of-devres-array.patch
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40
debian/patches/patchset-pf/fixes/0010-PCI-Fix-wrong-length-of-devres-array.patch
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From 46b8c87f1aa08a0794b45b394c5462f33bec54b0 Mon Sep 17 00:00:00 2001
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From: Philipp Stanner <phasta@kernel.org>
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Date: Wed, 12 Mar 2025 09:06:34 +0100
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Subject: PCI: Fix wrong length of devres array
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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The array for the iomapping cookie addresses has a length of
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PCI_STD_NUM_BARS. This constant, however, only describes standard BARs;
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while PCI can allow for additional, special BARs.
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The total number of PCI resources is described by constant
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PCI_NUM_RESOURCES, which is also used in, e.g., pci_select_bars().
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Thus, the devres array has so far been too small.
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Change the length of the devres array to PCI_NUM_RESOURCES.
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Link: https://lore.kernel.org/r/20250312080634.13731-3-phasta@kernel.org
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Fixes: bbaff68bf4a4 ("PCI: Add managed partial-BAR request and map infrastructure")
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Signed-off-by: Philipp Stanner <phasta@kernel.org>
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Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
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Cc: stable@vger.kernel.org # v6.11+
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---
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drivers/pci/devres.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/drivers/pci/devres.c
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+++ b/drivers/pci/devres.c
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@@ -40,7 +40,7 @@
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* Legacy struct storing addresses to whole mapped BARs.
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*/
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struct pcim_iomap_devres {
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- void __iomem *table[PCI_STD_NUM_BARS];
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+ void __iomem *table[PCI_NUM_RESOURCES];
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};
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/* Used to restore the old INTx state on driver detach. */
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