msm: adsprpc: Free the memory allocated for status notification

Currently, memory allocated for status notification is only
freed by the notif thread. If notif thread exits, notif entries
will not be freed. Free the notif entries while closing
the fastrpc file.

Change-Id: I8e715a4c449a595ce492379bfc50eaf456bbccf6
Signed-off-by: Abhishek Singh <[email protected]>

dsp/adsprpc.c

@@ -2369,6 +2369,8 @@ static void fastrpc_context_list_dtor(struct fastrpc_file *fl)
 	struct fastrpc_ctx_lst *clst = &fl->clst;
 	struct smq_invoke_ctx *ictx = NULL, *ctxfree;
 	struct hlist_node *n;
+	unsigned long irq_flags = 0;
+	struct smq_notif_rsp *inotif = NULL, *n1 = NULL;
 
 	do {
 		ctxfree = NULL;
@@ -2396,6 +2398,14 @@ static void fastrpc_context_list_dtor(struct fastrpc_file *fl)
 		if (ctxfree)
 			context_free(ctxfree);
 	} while (ctxfree);
+
+	spin_lock_irqsave(&fl->proc_state_notif.nqlock, irq_flags);
+	list_for_each_entry_safe(inotif, n1, &clst->notif_queue, notifn) {
+		list_del_init(&inotif->notifn);
+		atomic_sub(1, &fl->proc_state_notif.notif_queue_count);
+		kfree(inotif);
+	}
+	spin_unlock_irqrestore(&fl->proc_state_notif.nqlock, irq_flags);
 }
 
 static int fastrpc_file_free(struct fastrpc_file *fl);