This is a note to let you know that I've just added the patch titled
mfd: intel-lpss: Add missing check for platform_get_resource
to the 5.4-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:
mfd-intel-lpss-add-missing-check-for-platform_get_re.patch
and it can be found in the queue-5.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit af1c829097481553d8ee46d138ffa2d5092f1853
Author: Jiasheng Jiang <jiasheng@xxxxxxxxxxx>
Date: Fri Jun 9 09:48:18 2023 +0800
mfd: intel-lpss: Add missing check for platform_get_resource
[ Upstream commit d918e0d5824495a75d00b879118b098fcab36fdb ]
Add the missing check for platform_get_resource and return error
if it fails.
Fixes: 4b45efe85263 ("mfd: Add support for Intel Sunrisepoint LPSS devices")
Signed-off-by: Jiasheng Jiang <jiasheng@xxxxxxxxxxx>
Signed-off-by: Lee Jones <lee@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20230609014818.28475-1-jiasheng@xxxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/mfd/intel-lpss-acpi.c b/drivers/mfd/intel-lpss-acpi.c
index 045cbf0cbe53a..993e305a232c5 100644
--- a/drivers/mfd/intel-lpss-acpi.c
+++ b/drivers/mfd/intel-lpss-acpi.c
@@ -114,6 +114,9 @@ static int intel_lpss_acpi_probe(struct platform_device *pdev)
return -ENOMEM;
info->mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!info->mem)
+ return -ENODEV;
+
info->irq = platform_get_irq(pdev, 0);
ret = intel_lpss_probe(&pdev->dev, info);
