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-rw-r--r--scd/app.c47
1 files changed, 28 insertions, 19 deletions
diff --git a/scd/app.c b/scd/app.c
index 7f6a8cc9f..363e386ce 100644
--- a/scd/app.c
+++ b/scd/app.c
@@ -161,22 +161,25 @@ is_app_allowed (const char *name)
void
application_notify_card_removed (int slot)
{
+ app_t app;
+
if (slot < 0 || slot >= DIM (lock_table))
return;
+ /* FIXME: We are ignoring any error value here. */
+ lock_reader (slot);
+
/* Deallocate a saved application for that slot, so that we won't
try to reuse it. If there is no saved application, set a flag so
that we won't save the current state. */
- if (lock_table[slot].initialized)
- {
- app_t app = lock_table[slot].last_app;
+ app = lock_table[slot].last_app;
- if (app)
- {
- lock_table[slot].last_app = NULL;
- deallocate_app (app);
- }
+ if (app)
+ {
+ lock_table[slot].last_app = NULL;
+ deallocate_app (app);
}
+ unlock_reader (slot);
}
@@ -262,6 +265,8 @@ select_application (ctrl_t ctrl, int slot, const char *name, app_t *r_app)
{
if (app->slot != slot)
log_bug ("slot mismatch %d/%d\n", app->slot, slot);
+ app->slot = slot;
+
app->ref_count++;
*r_app = app;
unlock_reader (slot);
@@ -400,18 +405,22 @@ release_application (app_t app)
return;
/* Move the reference to the application in the lock table. */
- for (slot = 0; slot < DIM (lock_table); slot++)
- if (lock_table[slot].initialized && lock_table[slot].app == app)
- {
- if (lock_table[slot].last_app)
- deallocate_app (lock_table[slot].last_app);
- lock_table[slot].last_app = lock_table[slot].app;
- lock_table[slot].app = NULL;
- return;
- }
+ slot = app->slot;
+ /* FIXME: We are ignoring any error value. */
+ lock_reader (slot);
+ if (lock_table[slot].app != app)
+ {
+ unlock_reader (slot);
+ log_bug ("app mismatch %p/%p\n", app, lock_table[slot].app);
+ deallocate_app (app);
+ return;
+ }
- log_debug ("application missing in lock table - deallocating anyway\n");
- deallocate_app (app);
+ if (lock_table[slot].last_app)
+ deallocate_app (lock_table[slot].last_app);
+ lock_table[slot].last_app = lock_table[slot].app;
+ lock_table[slot].app = NULL;
+ unlock_reader (slot);
}