irmd: Fix free of uninitialized ptr

The reg_list_ipcps function left *ipcps uninitialized when there were
no IPCPs in the system. This caused a free to SEGV in the IRMd when
trying to allocate a flow.

Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>

1 files changed, 3 insertions, 2 deletions

diff --git a/src/irmd/reg/reg.c b/src/irmd/reg/reg.c
index 29d2a7ba..f486c1cc 100644
--- a/src/irmd/reg/reg.c
+++ b/src/irmd/reg/reg.c
@@ -911,8 +911,10 @@ int reg_list_ipcps(ipcp_list_msg_t *** ipcps)
 
         pthread_mutex_lock(&reg.mtx);
 
-        if (reg.n_ipcps == 0)
+        if (reg.n_ipcps == 0) {
+                *ipcps = NULL;
                 goto finish;
+        }
 
         *ipcps = malloc(reg.n_ipcps * sizeof(**ipcps));
         if (*ipcps == NULL) {
@@ -2158,4 +2160,3 @@ int reg_respond_ipcp(const struct ipcp_info * info)
         pthread_mutex_unlock(&reg.mtx);
         return -EIPCP;
 }
-