Patch "LoongArch: Fix memleak in pci_acpi_scan_root()" has been added to the 6.1-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

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

    LoongArch: Fix memleak in pci_acpi_scan_root()

to the 6.1-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:
     loongarch-fix-memleak-in-pci_acpi_scan_root.patch
and it can be found in the queue-6.1 subdirectory.

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



commit f643bb2799938ae78894be6db3688ff630d2b629
Author: Wentao Guan <guanwentao@xxxxxxxxxxxxx>
Date:   Tue Sep 24 15:32:20 2024 +0800

    LoongArch: Fix memleak in pci_acpi_scan_root()
    
    [ Upstream commit 5016c3a31a6d74eaf2fdfdec673eae8fcf90379e ]
    
    Add kfree(root_ops) in this case to avoid memleak of root_ops,
    leaks when pci_find_bus() != 0.
    
    Signed-off-by: Yuli Wang <wangyuli@xxxxxxxxxxxxx>
    Signed-off-by: Wentao Guan <guanwentao@xxxxxxxxxxxxx>
    Signed-off-by: Huacai Chen <chenhuacai@xxxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/arch/loongarch/pci/acpi.c b/arch/loongarch/pci/acpi.c
index 8235ec92b41fe..debd79f712860 100644
--- a/arch/loongarch/pci/acpi.c
+++ b/arch/loongarch/pci/acpi.c
@@ -222,6 +222,7 @@ struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root)
 	if (bus) {
 		memcpy(bus->sysdata, info->cfg, sizeof(struct pci_config_window));
 		kfree(info);
+		kfree(root_ops);
 	} else {
 		struct pci_bus *child;