From: David S. Miller <davem@davemloft.net>
Date: Wed, 10 Sep 2008 20:36:13 +0000 (-0700)
Subject: sparc32: Need to close openned RTC device just like sparc64.
X-Git-Tag: firefly_0821_release~17814^2~45
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=ab138c031f72f6d030afa1a06a3a537e85ae843e;p=firefly-linux-kernel-4.4.55.git

sparc32: Need to close openned RTC device just like sparc64.

Otherwise we get refcount problems.

Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/arch/sparc/kernel/time.c b/arch/sparc/kernel/time.c
index 698c45059fa5..fa54d585f558 100644
--- a/arch/sparc/kernel/time.c
+++ b/arch/sparc/kernel/time.c
@@ -337,9 +337,12 @@ static int sbus_do_settimeofday(struct timespec *tv)
 static int set_rtc_mmss(unsigned long secs)
 {
 	struct rtc_device *rtc = rtc_class_open("rtc0");
+	int err = -1;
 
-	if (rtc)
-		return rtc_set_mmss(rtc, secs);
+	if (rtc) {
+		err = rtc_set_mmss(rtc, secs);
+		rtc_class_close(rtc);
+	}
 
-	return -1;
+	return err;
 }