properly check if configuration file is opened

closes #21

Change-Id: I2f83b5385ac38bf07d30acb14f40c14bec476830

diff --git a/minix/commands/devmand/main.c b/minix/commands/devmand/main.c
index 694c676b1832a530ad6f0bd69d6461057908a886..8d9b1efd1b59916dc51497557d21f19e5e1d8916 100644 (file)
--- a/minix/commands/devmand/main.c
+++ b/minix/commands/devmand/main.c
@@ -379,7 +379,7 @@ static void parse_config()
                                dbg("Parsing file %s",config_file);
                                yyin = fopen(config_file, "r");
 
-                               if (yyin < 0) {
+                               if (yyin == NULL) {
                                        dbg("Can not open config file:" 
                                               " %d.\n", errno);
                                }