[PATCH] arm/mach-at91/pm : fix possible object reference leak

From: Peng Hao
Date: Wed Feb 13 2019 - 01:34:21 EST


of_find_device_by_node() takes a reference to the struct device
when it finds a match via get_device. When returning error we should
call put_device.

Signed-off-by: Peng Hao <peng.hao2@xxxxxxxxxx>
---
arch/arm/mach-at91/pm.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c
index 51e808a..70fadb7 100644
--- a/arch/arm/mach-at91/pm.c
+++ b/arch/arm/mach-at91/pm.c
@@ -621,6 +621,7 @@ static int __init at91_pm_backup_init(void)

securam_fail:
iounmap(pm_data.sfrbu);
+ put_device(&pdev->dev);
pm_data.sfrbu = NULL;
return ret;
}
--
1.8.3.1