From 27a8c4434c3f93e32c52972c68c797c39876efa1 Mon Sep 17 00:00:00 2001
From: Marc Hartmayer <mhartmay@linux.ibm.com>
Date: Mon, 19 Aug 2019 15:50:56 +0200
Subject: [PATCH] zipl: fix freeing of uninitialized pointer
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Not in every case ppn_cmd is initialized. Therefore, set it explicitly
to NULL.

Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Reviewed-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
---
 zipl/src/disk.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/zipl/src/disk.c b/zipl/src/disk.c
index e98e9db3..6d99ee58 100644
--- a/zipl/src/disk.c
+++ b/zipl/src/disk.c
@@ -199,7 +199,7 @@ disk_get_info(const char* device, struct job_target_data* target,
 	FILE *fh;
 	char *script_pre = TOOLS_LIBDIR "/zipl_helper.";
 	char *script_file;
-	char *ppn_cmd;
+	char *ppn_cmd = NULL;
 	char buffer[80];
 	char value[40];
 	int majnum, minnum;