Check for NULL dhcp pointers in dhcp_free and dhcp_release.
---
src/dhcp.c | 9 ++++++++
1 files changed, 8 insertions(+)
diff --git a/src/dhcp.c b/src/dhcp.c
index ab8ee5a..cddee25 100644
--- a/src/dhcp.c
+++ b/src/dhcp.c
@@ -50,6 +50,11 @@ static GHashTable *network_table;
static void dhcp_free(struct connman_dhcp *dhcp)
{
+ DBG("dhcp %p", dhcp);
+
+ if (dhcp == NULL)
+ return;
+
g_strfreev(dhcp->nameservers);
g_free(dhcp->timeserver);
g_free(dhcp->pac);
@@ -414,7 +419,9 @@ static int dhcp_release(struct connman_dhcp *dhcp)
{
DBG("dhcp %p", dhcp);
+ if (dhcp == NULL)
+ return -EINVAL;
+
if (dhcp->dhcp_client == NULL)
return 0;
--
1.7.5
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