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[u/mdw/putty] / sshpubk.c

diff --git a/sshpubk.c b/sshpubk.c
index 78a35ee..dd06ebd 100644 (file)
--- a/sshpubk.c
+++ b/sshpubk.c
@@ -835,7 +835,8 @@ struct ssh2_userkey *ssh2_load_userkey(const Filename *filename,
     sfree(public_blob);
     sfree(private_blob);
     sfree(encryption);
-    *errorstr = NULL;
+    if (errorstr)
+       *errorstr = NULL;
     return ret;
 
     /*