From ab27346ceb5d4e856671a033ac1f6521c86514a1 Mon Sep 17 00:00:00 2001
From: Daiki Ueno <dueno@redhat.com>
Date: Tue, 10 Jul 2018 16:57:07 +0200
Subject: proxy: Fail early if there is no slot mappings

---
 p11-kit/proxy.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'p11-kit/proxy.c')

diff --git a/p11-kit/proxy.c b/p11-kit/proxy.c
index 916ee92..31b9bb2 100644
--- a/p11-kit/proxy.c
+++ b/p11-kit/proxy.c
@@ -123,6 +123,8 @@ map_slot_unlocked (Proxy *px,
 
 	if (slot > px->n_mappings) {
 		return CKR_SLOT_ID_INVALID;
+	} else if (px->n_mappings == 0) {
+		return CKR_SLOT_ID_INVALID;
 	} else {
 		assert (px->mappings);
 		memcpy (mapping, &px->mappings[slot], sizeof (Mapping));
-- 
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