From d209181d96ff90a2a027694934c1d22da22140a5 Mon Sep 17 00:00:00 2001
From: Jes Sorensen <Jes.Sorensen@redhat.com>
Date: Mon, 7 Mar 2016 11:51:24 -0500
Subject: [PATCH] Manage: Manage_add(): Fix memory leak

sysfs_read() allocates and populates a struct mdinfo, however the code
forgot to free it again, before dropping the reference to the pointer.

Reviewed-by: NeilBrown <neilb@suse.com>
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
---
 Manage.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Manage.c b/Manage.c
index e3d46f3..5308260 100644
--- a/Manage.c
+++ b/Manage.c
@@ -944,10 +944,13 @@ int Manage_add(int fd, int tfd, struct mddev_dev *dv,
 		}
 
 		if (strncmp(mdp->sysfs_array_state, "readonly", 8) != 0) {
+			sysfs_free(mdp);
 			pr_err("%s is not readonly, cannot add journal.\n", devname);
 			return -1;
 		}
 
+		sysfs_free(mdp);
+
 		tst->ss->getinfo_super(tst, &mdi, NULL);
 		if (mdi.journal_device_required == 0) {
 			pr_err("%s does not support journal device.\n", devname);