linux-kernel - [PATCH 1/1] Memory leak in scripts/dtc/util.c

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Message-Id: <1393525473-12238-1-git-send-email-xypron.glpk@gmx.de>
Date:	Thu, 27 Feb 2014 19:24:33 +0100
From:	xypron.glpk@....de
To:	grant.likely@...aro.org
Cc:	robh+dt@...nel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Heinrich Schuchardt <xypron.glpk@....de>
Subject: [PATCH 1/1] Memory leak in scripts/dtc/util.c

From: Heinrich Schuchardt <xypron.glpk@....de>

buf was leaked if out of memory

Signed-off-by: Heinrich Schuchardt <xypron.glpk@....de>
---
 scripts/dtc/util.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/scripts/dtc/util.c b/scripts/dtc/util.c
index 2422c34..a1e2e59 100644
--- a/scripts/dtc/util.c
+++ b/scripts/dtc/util.c
@@ -210,9 +210,11 @@ int utilfdt_read_err(const char *filename, char **buffp)
 	do {
 		/* Expand the buffer to hold the next chunk */
 		if (offset == bufsize) {
+			char *buf_old = buf;
 			bufsize *= 2;
 			buf = realloc(buf, bufsize);
 			if (!buf) {
+				buf = buf_old;
 				ret = ENOMEM;
 				break;
 			}
-- 
1.7.10.4

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