[PATCH 04/10] votequorum: check for parameters and return proper error

["Fabio M. Di Nitto" <fdinitto@xxxxxxxxxx>]

From: "Fabio M. Di Nitto" <fdinitto@xxxxxxxxxx>

Signed-off-by: Fabio M. Di Nitto <fdinitto@xxxxxxxxxx>
---
:100644 100644 678c295... 4600ed0... M	exec/votequorum.c
 exec/votequorum.c |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/exec/votequorum.c b/exec/votequorum.c
index 678c295..4600ed0 100644
--- a/exec/votequorum.c
+++ b/exec/votequorum.c
@@ -1071,6 +1071,11 @@ static int votequorum_exec_init_fn (struct corosync_api_v1 *api)
 
 	corosync_api = api;
 
+	if (!api) {
+		LEAVE();
+		return (1);
+	}
+
 	list_init(&cluster_members_list);
 	list_init(&trackers_list);
 
@@ -1196,6 +1201,12 @@ cs_error_t votequorum_init(struct corosync_api_v1 *api,
 {
 	ENTER();
 
+	if ((!api) || (!q_set_quorate_fn)) {
+		return CS_ERR_INVALID_PARAM;
+	}
+
+	corosync_api = api;
+
 	quorum_callback = q_set_quorate_fn;
 
 	votequorum_readconfig_static();
-- 
1.7.7.5

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