From db03be60ec227f42bb930e9118d2ecb5f4ebbb43 Mon Sep 17 00:00:00 2001
From: Brecht Van Lommel <brechtvanlommel@gmail.com>
Date: Thu, 3 Jan 2019 18:20:30 +0100
Subject: [PATCH] Fix T60073: can't unlink by dragging from some node input
 sockets.

---
 source/blender/nodes/intern/node_socket.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/source/blender/nodes/intern/node_socket.c b/source/blender/nodes/intern/node_socket.c
index d1903a53334..d9e1aae785a 100644
--- a/source/blender/nodes/intern/node_socket.c
+++ b/source/blender/nodes/intern/node_socket.c
@@ -115,8 +115,7 @@ static bNodeSocket *verify_socket_template(bNodeTree *ntree, bNode *node, int in
 		if (sock->type != stemp->type) {
 			nodeModifySocketType(ntree, node, sock, stemp->type, stemp->subtype);
 		}
-
-		sock->limit = (stemp->limit == 0 ? 0xFFF : stemp->limit);
+		sock->limit = (stemp->limit == 0 ? (in_out == SOCK_IN ? 1 : 0xFFF) : stemp->limit);
 		sock->flag |= stemp->flag;
 	}
 	else {