From: Juergen Gross <jgross@suse.com>
Date: Wed, 23 Aug 2017 17:36:00 +0000 (+0200)
Subject: xen/arch/arm/domain_build.c: let custom parameter parsing routines return errno
X-Git-Tag: archive/raspbian/4.11.1-1+rpi1~1^2~66^2~1603
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=98c38517a43a10b99cc9dd82a1fe5c03701442b7;p=xen.git

xen/arch/arm/domain_build.c: let custom parameter parsing routines return errno

Modify the custom parameter parsing routines in:

xen/arch/arm/domain_build.c

to indicate whether the parameter value was parsed successfully.

Signed-off-by: Juergen Gross <jgross@suse.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
Acked-by: Julien Grall <julien.grall@arm.com>
---

diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c
index 1bec4fa23d..d6f9585503 100644
--- a/xen/arch/arm/domain_build.c
+++ b/xen/arch/arm/domain_build.c
@@ -33,9 +33,11 @@ int dom0_11_mapping = 1;
 
 static u64 __initdata dom0_mem;
 
-static void __init parse_dom0_mem(const char *s)
+static int __init parse_dom0_mem(const char *s)
 {
     dom0_mem = parse_size_and_unit(s, &s);
+
+    return *s ? -EINVAL : 0;
 }
 custom_param("dom0_mem", parse_dom0_mem);