Patch "PCI: of_property: Return error for int_map allocation failure" has been added to the 6.8-stable tree

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This is a note to let you know that I've just added the patch titled

    PCI: of_property: Return error for int_map allocation failure

to the 6.8-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     pci-of_property-return-error-for-int_map-allocation-.patch
and it can be found in the queue-6.8 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 6143810f5df627b5ca920daa6fbb8ec16f313da0
Author: Duoming Zhou <duoming@xxxxxxxxxx>
Date:   Sun Mar 3 18:57:29 2024 +0800

    PCI: of_property: Return error for int_map allocation failure
    
    [ Upstream commit e6f7d27df5d208b50cae817a91d128fb434bb12c ]
    
    Return -ENOMEM from of_pci_prop_intr_map() if kcalloc() fails to prevent a
    NULL pointer dereference in this case.
    
    Fixes: 407d1a51921e ("PCI: Create device tree node for bridge")
    Link: https://lore.kernel.org/r/20240303105729.78624-1-duoming@xxxxxxxxxx
    Signed-off-by: Duoming Zhou <duoming@xxxxxxxxxx>
    [bhelgaas: commit log]
    Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/pci/of_property.c b/drivers/pci/of_property.c
index c2c7334152bc0..03539e5053720 100644
--- a/drivers/pci/of_property.c
+++ b/drivers/pci/of_property.c
@@ -238,6 +238,8 @@ static int of_pci_prop_intr_map(struct pci_dev *pdev, struct of_changeset *ocs,
 		return 0;
 
 	int_map = kcalloc(map_sz, sizeof(u32), GFP_KERNEL);
+	if (!int_map)
+		return -ENOMEM;
 	mapp = int_map;
 
 	list_for_each_entry(child, &pdev->subordinate->devices, bus_list) {




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