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Subject[PATCH] clk: samsung: Add check for platform_driver_register
Date
As platform_driver_register() could fail, it should be better
to deal with the return value in order to maintain the code
consisitency.

Fixes: b06a532bf1fa ("clk: samsung: Add Exynos5 sub-CMU clock driver")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
---
drivers/clk/samsung/clk-exynos5-subcmu.c | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/drivers/clk/samsung/clk-exynos5-subcmu.c b/drivers/clk/samsung/clk-exynos5-subcmu.c
index 65c82d922b05..8b090481a9dc 100644
--- a/drivers/clk/samsung/clk-exynos5-subcmu.c
+++ b/drivers/clk/samsung/clk-exynos5-subcmu.c
@@ -188,8 +188,18 @@ static struct platform_driver exynos5_clk_driver __refdata = {

static int __init exynos5_clk_drv_init(void)
{
- platform_driver_register(&exynos5_clk_driver);
- platform_driver_register(&exynos5_subcmu_driver);
+ int ret;
+
+ ret = platform_driver_register(&exynos5_clk_driver);
+ if (ret)
+ return ret;
+
+ ret = platform_driver_register(&exynos5_subcmu_driver);
+ if (ret) {
+ platform_driver_unregister(&exynos5_clk_driver);
+ return ret;
+ }
+
return 0;
}
core_initcall(exynos5_clk_drv_init);
--
2.25.1
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