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authorJiasheng Jiang <jiasheng@iscas.ac.cn>2022-09-13 17:11:12 +0800
committerLee Jones <lee@kernel.org>2022-09-28 16:17:41 +0100
commit8325a6c24ad78b8c1acc3c42b098ee24105d68e5 (patch)
treebd6c36a1f9ee72c2eb880c219b1e2eb8e5281bdc /drivers/mfd
parenta5e84f33cdd7957e5497a0b324cc4bd675fb8f08 (diff)
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mfd: sm501: Add check for platform_driver_register()
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@iscas.ac.cn> Signed-off-by: Lee Jones <lee@kernel.org> Link: https://lore.kernel.org/r/20220913091112.1739138-1-jiasheng@iscas.ac.cn
Diffstat (limited to 'drivers/mfd')
-rw-r--r--drivers/mfd/sm501.c7
1 files changed, 6 insertions, 1 deletions
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);
}