From mboxrd@z Thu Jan 1 00:00:00 1970 From: swhiteho@redhat.com Date: Tue, 14 Aug 2007 10:47:08 +0100 Subject: [Cluster-devel] [PATCH] [DLM] Fix memory leak in dlm_add_member() when dlm_node_weight() returns less than zero In-Reply-To: <11870848365-git-send-email-swhiteho@redhat.com> References: <11870848365-git-send-email-swhiteho@redhat.com> Message-ID: <11870848472401-git-send-email-swhiteho@redhat.com> List-Id: To: cluster-devel.redhat.com MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit From: Jesper Juhl There's a memory leak in fs/dlm/member.c::dlm_add_member(). If "dlm_node_weight(ls->ls_name, nodeid)" returns < 0, then we'll return without freeing the memory allocated to the (at that point yet unused) 'memb'. This patch frees the allocated memory in that case and thus avoids the leak. Signed-off-by: Jesper Juhl Signed-off-by: David Teigland Signed-off-by: Steven Whitehouse diff --git a/fs/dlm/member.c b/fs/dlm/member.c index 073599d..d099775 100644 --- a/fs/dlm/member.c +++ b/fs/dlm/member.c @@ -56,8 +56,10 @@ static int dlm_add_member(struct dlm_ls *ls, int nodeid) return -ENOMEM; w = dlm_node_weight(ls->ls_name, nodeid); - if (w < 0) + if (w < 0) { + kfree(memb); return w; + } memb->nodeid = nodeid; memb->weight = w; -- 1.5.1.2