irmd: Fix wrong hash length when getting ipcpd

The get_ipcpd_by_dst function was returning the hash length of the
last IPCP in the list instead of the length of the actual hash.

Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>

1 files changed, 2 insertions, 3 deletions

diff --git a/src/irmd/main.c b/src/irmd/main.c
index 6e1a1262..bc13fa7c 100644
--- a/src/irmd/main.c
+++ b/src/irmd/main.c
@@ -970,9 +970,7 @@ static int get_ipcp_by_dst(const char *     dst,
 
                 type = ipcps[i]->type;
                 algo = ipcps[i]->hash_algo;
-                hash->len  = hash_len(algo);
-
-                tmp = ipcps[i]->pid;
+                tmp  = ipcps[i]->pid;
 
                 enrolled = strcmp(ipcps[i]->layer, "Not enrolled.") != 0;
 
@@ -984,6 +982,7 @@ static int get_ipcp_by_dst(const char *     dst,
                 if (err == 0 /* solution found */ || !enrolled)
                         continue;
 
+                hash->len  = hash_len(algo);
                 hash->data = malloc(hash->len);
                 if (hash->data == NULL) {
                         log_warn("Failed to malloc hash for query.");