Modify the custom parameter parsing routines in:
xen/common/domain.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/domain.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/xen/common/domain.c b/xen/common/domain.c
index b22aacc57e..acd420a1a5 100644
--- a/xen/common/domain.c
+++ b/xen/common/domain.c
@@ -245,12 +245,15 @@ static int late_hwdom_init(struct domain *d)
static unsigned int __read_mostly extra_hwdom_irqs;
static unsigned int __read_mostly extra_domU_irqs = 32;
-static void __init parse_extra_guest_irqs(const char *s)
+
+static int __init parse_extra_guest_irqs(const char *s)
{
if ( isdigit(*s) )
extra_domU_irqs = simple_strtoul(s, &s, 0);
if ( *s == ',' && isdigit(*++s) )
extra_hwdom_irqs = simple_strtoul(s, &s, 0);
+
+ return *s ? -EINVAL : 0;
}
custom_param("extra_guest_irqs", parse_extra_guest_irqs);
--
2.12.3
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