From 4eb899a6de14660e2ce722dcc069836e17a6bc3e Mon Sep 17 00:00:00 2001
From: Jens Axboe <jens.axboe@oracle.com>
Date: Tue, 2 Jan 2007 09:20:49 +0100
Subject: [PATCH] [PATCH] Fix double free in error path

Reported by zhuxudong <zhuxudong@nrchpc.ac.cn>

If we fail reading, we will free the realloc'ed pointer and jump to
the error path which will free the original pointer. Fix this by clearing
the original pointer.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 blkparse.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/blkparse.c b/blkparse.c
index 6bb5308..90614d8 100644
--- a/blkparse.c
+++ b/blkparse.c
@@ -2167,6 +2167,7 @@ static int ms_prime(struct ms_stream *msp)
 							     1, &pci->fdblock);
 			if (ret) {
 				free(ptr);
+				bit = NULL;
 				goto err;
 			}
 
-- 
2.25.1