[sane-devel] Bug in net.c sane_exit

[George Garvey]

   Doesn't set global variables to NULL. Then another sane_init uses
invalid pointers when reading the config file, and the next sane_exit
seg faults.
   I don't know if the second patch is necessary. Only first_device gave
me troubles.

Index: inX.8/backend/net.c
--- inX.8/backend/net.c Wed, 12 Feb 2003 13:42:12 -0800 tmwg (sane-backends/f/50_net.c 1.1 640)
+++ inX.8(w)/backend/net.c Thu, 20 Feb 2003 15:00:11 -0800 tmwg (sane-backends/f/50_net.c 1.1 640)
@@ -578,6 +578,7 @@ sane_exit (void)
 	free ((void *) dev->name);
       free (dev);
     }
+  first_device = 0;
   if (devlist)
     {
       for (i = 0; devlist[i]; ++i)
@@ -591,6 +592,7 @@ sane_exit (void)
 	  free ((void *) devlist[i]);
 	}
       free (devlist);
+       devlist = 0;
     }
   DBG (3, "sane_exit: finished.\n");
 }