tools: Fix help information for irm ipcp

The new command 'irm ipcp list' was not being printed upon printing
the usage of 'irm ipcp'. It also fixes an unchecked return value.

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

1 files changed, 6 insertions, 2 deletions

diff --git a/src/tools/irm/irm_register.c b/src/tools/irm/irm_register.c
index 59d65a69..23c65f7d 100644
--- a/src/tools/irm/irm_register.c
+++ b/src/tools/irm/irm_register.c
@@ -72,8 +72,9 @@ int do_register(int     argc,
         char *             ipcp[MAX_IPCPS];
         size_t             ipcp_len   = 0;
         struct ipcp_info * ipcps;
-        size_t             len;
-        size_t             i;
+        ssize_t            len;
+        ssize_t            i;
+
 
         while (argc > 0) {
                 if (matches(*argv, "name") == 0) {
@@ -106,6 +107,9 @@ int do_register(int     argc,
         }
 
         len = irm_list_ipcps(&ipcps);
+        if (len < 0)
+                return len;
+
         for (i = 0; i < len; ++i) {
                 size_t j;
                 for (j = 0; j < layers_len; j++) {