libcacard/vcard_emul_nss: handle no readers at startup

When starting with no readers, coolkey should show no slots (with
RHBZ 806038 fixed). Fix initialization to launch the event handling
thread for each module that isn't the internal module regardless of the
number of slots detected for it at initialization time, since slot
number may start as 0 and is dynamic.

RHBZ: 802435
Signed-off-by: Alon Levy <alevy@redhat.com>

1 files changed, 5 insertions, 10 deletions

diff --git a/libcacard/vcard_emul_nss.c b/libcacard/vcard_emul_nss.c
index 7de5d5b..3703fdc 100644
--- a/libcacard/vcard_emul_nss.c
+++ b/libcacard/vcard_emul_nss.c
@@ -1005,10 +1005,10 @@ vcard_emul_init(const VCardEmulOptions *options)
     SECMOD_GetReadLock(module_lock);
     for (mlp = module_list; mlp; mlp = mlp->next) {
         SECMODModule *module = mlp->module;
-        PRBool has_emul_slots = PR_FALSE;
 
-        if (module == NULL) {
-                continue;
+        /* Ignore the internal module */
+        if (module == NULL || module == SECMOD_GetInternalModule()) {
+            continue;
         }
 
         for (i = 0; i < module->slotCount; i++) {
@@ -1024,9 +1024,6 @@ vcard_emul_init(const VCardEmulOptions *options)
                                   vreader_emul_delete);
             vreader_add_reader(vreader);
 
-            has_readers = PR_TRUE;
-            has_emul_slots = PR_TRUE;
-
             if (PK11_IsPresent(slot)) {
                 VCard *vcard;
                 vcard = vcard_emul_mirror_card(vreader);
@@ -1035,12 +1032,10 @@ vcard_emul_init(const VCardEmulOptions *options)
                 vcard_free(vcard);
             }
         }
-        if (has_emul_slots) {
-            vcard_emul_new_event_thread(module);
-        }
+        vcard_emul_new_event_thread(module);
     }
     SECMOD_ReleaseReadLock(module_lock);
-    nss_emul_init = has_readers;
+    nss_emul_init = PR_TRUE;
 
     return VCARD_EMUL_OK;
 }