From 304cdde1677a77af010241801454dd58f2675fbe Mon Sep 17 00:00:00 2001
From: Andrey Smirnov <andrew.smirnov@gmail.com>
Date: Wed, 6 Jan 2016 22:17:31 -0800
Subject: rtc: ds1307: Fix a memory leak

Several failure paths would result in control being transfered to
'exit' label, so instead of just returning error codes in those cases
we also need to free the memory allocated for 'ds1307'

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 drivers/rtc/rtc-ds1307.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'drivers/rtc/rtc-ds1307.c')

diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c
index 2b46ae54f6..e2d561b96f 100644
--- a/drivers/rtc/rtc-ds1307.c
+++ b/drivers/rtc/rtc-ds1307.c
@@ -17,6 +17,7 @@
 #include <init.h>
 #include <driver.h>
 #include <xfuncs.h>
+#include <malloc.h>
 #include <errno.h>
 #include <i2c/i2c.h>
 #include <rtc.h>
@@ -422,6 +423,8 @@ read_rtc:
 	err = rtc_register(&ds1307->rtc);
 
 exit:
+	if (err)
+		free(ds1307);
 	return err;
 }
 
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