From: Ryan McCabe <rmccabe@redhat.com>
To: cluster-devel.redhat.com
Subject: [Cluster-devel] [PATCH 5/5] rgmanager: Fix a possible NULL pointer dereference
Date: Thu, 28 Jun 2012 15:58:13 -0400 [thread overview]
Message-ID: <20120628195810.GA80026@redhat.com> (raw)
Fix a NULL pointer dereference that could happen when cman_get_node_count()
returns 0 with errno set to EINTR.
Possibly resolves rhbz#820632
Signed-off-by: Ryan McCabe <rmccabe@redhat.com>
---
rgmanager/src/clulib/members.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/rgmanager/src/clulib/members.c b/rgmanager/src/clulib/members.c
index f705297..72f4529 100644
--- a/rgmanager/src/clulib/members.c
+++ b/rgmanager/src/clulib/members.c
@@ -367,8 +367,10 @@ get_member_list(cman_handle_t h)
do {
++tries;
- if (nodes)
+ if (nodes) {
free(nodes);
+ nodes = NULL;
+ }
c = cman_get_node_count(h);
if (c <= 0) {
--
1.7.10.2
next reply other threads:[~2012-06-28 19:58 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-28 19:58 Ryan McCabe [this message]
2012-07-04 11:07 ` [Cluster-devel] [PATCH 5/5] rgmanager: Fix a possible NULL pointer dereference Fabio M. Di Nitto
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