This is a note to let you know that I've just added the patch titled
mfd: sm501: Add check for platform_driver_register()
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:
mfd-sm501-add-check-for-platform_driver_register.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 8b7adbd79ec0577d3e8c621864c403758c3239ea
Author: Jiasheng Jiang <jiasheng@xxxxxxxxxxx>
Date: Tue Sep 13 17:11:12 2022 +0800
mfd: sm501: Add check for platform_driver_register()
[ Upstream commit 8325a6c24ad78b8c1acc3c42b098ee24105d68e5 ]
As platform_driver_register() can return error numbers,
it should be better to check platform_driver_register()
and deal with the exception.
Fixes: b6d6454fdb66 ("[PATCH] mfd: SM501 core driver")
Signed-off-by: Jiasheng Jiang <jiasheng@xxxxxxxxxxx>
Signed-off-by: Lee Jones <lee@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20220913091112.1739138-1-jiasheng@xxxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c
index bc0a2c38653e..3ac4508a6742 100644
--- a/drivers/mfd/sm501.c
+++ b/drivers/mfd/sm501.c
@@ -1720,7 +1720,12 @@ static struct platform_driver sm501_plat_driver = {
static int __init sm501_base_init(void)
{
- platform_driver_register(&sm501_plat_driver);
+ int ret;
+
+ ret = platform_driver_register(&sm501_plat_driver);
+ if (ret < 0)
+ return ret;
+
return pci_register_driver(&sm501_pci_driver);
}
