From: Julien Grall <julien.grall@linaro.org>
Date: Fri, 15 Nov 2013 15:27:37 +0000 (+0000)
Subject: xen/arm: Panic if we are unable to initialize platform timer
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~5922
X-Git-Url: https://dgit.raspbian.org/%22http:/www.example.com/cgi/%22https://%22%22/%22http:/www.example.com/cgi/%22https:/%22%22?a=commitdiff_plain;h=5238d28edc8cf2881df4b9494596660acc4c7c08;p=xen.git

xen/arm: Panic if we are unable to initialize platform timer

The caller of xen_init_time, start_xen, doesn't check the return value
of the function. Xen will silently ignore the error and continue.

Signed-off-by: Julien Grall <julien.grall@linaro.org>
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
---

diff --git a/xen/arch/arm/time.c b/xen/arch/arm/time.c
index a30d4229b4..938995dbe5 100644
--- a/xen/arch/arm/time.c
+++ b/xen/arch/arm/time.c
@@ -132,7 +132,7 @@ int __init init_xen_time(void)
 
     res = platform_init_time();
     if ( res )
-        return res;
+        panic("Timer: Cannot initialize platform timer\n");
 
     /* Check that this CPU supports the Generic Timer interface */
     if ( !cpu_has_gentimer )