Modify the custom parameter parsing routines in:
xen/common/memory.c
to indicate whether the parameter value was parsed successfully.
Cc: Andrew Cooper <andrew.coop...@citrix.com>
Cc: George Dunlap <george.dun...@eu.citrix.com>
Cc: Ian Jackson <ian.jack...@eu.citrix.com>
Cc: Jan Beulich <jbeul...@suse.com>
Cc: Konrad Rzeszutek Wilk <konrad.w...@oracle.com>
Cc: Stefano Stabellini <sstabell...@kernel.org>
Cc: Tim Deegan <t...@xen.org>
Cc: Wei Liu <wei.l...@citrix.com>
Signed-off-by: Juergen Gross <jgr...@suse.com>
Acked-by: Wei Liu <wei.l...@citrix.com>
Acked-by: Jan Beulich <jbeul...@suse.com>
---
V3:
- cosmetic changes (Jan Beulich)
---
xen/common/memory.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/xen/common/memory.c b/xen/common/memory.c
index b2066db07e..26da6050f6 100644
--- a/xen/common/memory.c
+++ b/xen/common/memory.c
@@ -55,7 +55,8 @@ static unsigned int __read_mostly hwdom_max_order =
CONFIG_HWDOM_MAX_ORDER;
#ifdef HAS_PASSTHROUGH
static unsigned int __read_mostly ptdom_max_order = CONFIG_PTDOM_MAX_ORDER;
#endif
-static void __init parse_max_order(const char *s)
+
+static int __init parse_max_order(const char *s)
{
if ( *s != ',' )
domu_max_order = simple_strtoul(s, &s, 0);
@@ -67,6 +68,8 @@ static void __init parse_max_order(const char *s)
if ( *s == ',' && *++s != ',' )
ptdom_max_order = simple_strtoul(s, &s, 0);
#endif
+
+ return *s ? -EINVAL : 0;
}
custom_param("memop-max-order", parse_max_order);
--
2.12.3
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