This is a note to let you know that I've just added the patch titled
xen/platform-pci: add missing free_irq() in error path
to the 5.15-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:
xen-platform-pci-add-missing-free_irq-in-error-path.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 5f34450b50f44f55941ffa0e01b33cb7d5db32f3
Author: ruanjinjie <ruanjinjie@xxxxxxxxxx>
Date: Mon Nov 14 19:21:24 2022 +0800
xen/platform-pci: add missing free_irq() in error path
[ Upstream commit c53717e1e3f0d0f9129b2e0dbc6dcc5e0a8132e9 ]
free_irq() is missing in case of error in platform_pci_probe(), fix that.
Signed-off-by: ruanjinjie <ruanjinjie@xxxxxxxxxx>
Reviewed-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@xxxxxxxx>
Link: https://lore.kernel.org/r/20221114112124.1965611-1-ruanjinjie@xxxxxxxxxx
Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/xen/platform-pci.c b/drivers/xen/platform-pci.c
index 18f0ed8b1f93..6ebd819338ec 100644
--- a/drivers/xen/platform-pci.c
+++ b/drivers/xen/platform-pci.c
@@ -144,7 +144,7 @@ static int platform_pci_probe(struct pci_dev *pdev,
if (ret) {
dev_warn(&pdev->dev, "Unable to set the evtchn callback "
"err=%d\n", ret);
- goto out;
+ goto irq_out;
}
}
@@ -152,13 +152,16 @@ static int platform_pci_probe(struct pci_dev *pdev,
grant_frames = alloc_xen_mmio(PAGE_SIZE * max_nr_gframes);
ret = gnttab_setup_auto_xlat_frames(grant_frames);
if (ret)
- goto out;
+ goto irq_out;
ret = gnttab_init();
if (ret)
goto grant_out;
return 0;
grant_out:
gnttab_free_auto_xlat_frames();
+irq_out:
+ if (!xen_have_vector_callback)
+ free_irq(pdev->irq, pdev);
out:
pci_release_region(pdev, 0);
mem_out:
