From: Clemens Lang <neverpanic@gmail.com>
Date: Sat, 18 Feb 2012 23:37:13 +0000 (+0100)
Subject: Don't set yk_errno if nothing went wrong
X-Git-Tag: v1.6.4~10
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b80664316e2f37e43b452772cd1dceb26593e2fd;p=yubikey-personalization.old

Don't set yk_errno if nothing went wrong

This fixes a superfluous warning when using challenge-response
authentication with yubico-pam on OS X:
	debug: pam_yubico.c:649 (do_challenge_response): USB error: USB error
This warning appeared although no error actually occured.
---

diff --git a/ykcore/ykcore_osx.c b/ykcore/ykcore_osx.c
index 58e3bd2..7d343a0 100644
--- a/ykcore/ykcore_osx.c
+++ b/ykcore/ykcore_osx.c
@@ -121,7 +121,8 @@ void *_ykusb_open_device(int vendor_id, int product_id)
 			yk_release();
 			return 0;
 		}
-		
+
+		yk_errno = 0;
 		return yk;
 	}