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[v4,03/53] xen/arch/arm/domain_build.c: let custom parameter parsing routines return errno

Message ID 20170823173446.24801-4-jgross@suse.com (mailing list archive)
State New, archived
Headers show

Commit Message

Jürgen Groß Aug. 23, 2017, 5:33 p.m. UTC 
Modify the custom parameter parsing routines in:

xen/arch/arm/domain_build.c

to indicate whether the parameter value was parsed successfully.

Cc: Stefano Stabellini <sstabellini@kernel.org>
Cc: Julien Grall <julien.grall@arm.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
Acked-by: Julien Grall <julien.grall@arm.com>
---
 xen/arch/arm/domain_build.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff mbox

Patch

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);