[PATCH] powerpc: maple: Fix refcount leak bug in time.c
Liang He
windhl at 126.com
Fri Jun 17 22:40:45 AEST 2022
In maple_get_boot_time(), of_find_compatible_node() will return
a node pointer with refcount incremented. We should use of_node_put()
in fail path or when it is not used anymore.
Signed-off-by: Liang He <windhl at 126.com>
---
arch/powerpc/platforms/maple/time.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/powerpc/platforms/maple/time.c b/arch/powerpc/platforms/maple/time.c
index 823e219ef8ee..91606411d2e0 100644
--- a/arch/powerpc/platforms/maple/time.c
+++ b/arch/powerpc/platforms/maple/time.c
@@ -153,6 +153,7 @@ time64_t __init maple_get_boot_time(void)
maple_rtc_addr);
}
bail:
+ of_node_put(rtcs);
if (maple_rtc_addr == 0) {
maple_rtc_addr = RTC_PORT(0); /* legacy address */
printk(KERN_INFO "Maple: No device node for RTC, assuming "
--
2.25.1
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