From 5bf030b2fd84c80cbdee9ddc3ffa433f065c2f1d Mon Sep 17 00:00:00 2001 From: Juergen Gross Date: Wed, 23 Aug 2017 19:34:00 +0200 Subject: [PATCH] xen/arch/x86/cpu/mcheck/mce.c: let custom parameter parsing routines return errno Modify the custom parameter parsing routines in: xen/arch/x86/cpu/mcheck/mce.c to indicate whether the parameter value was parsed successfully. Signed-off-by: Juergen Gross Acked-by: Wei Liu Acked-by: Jan Beulich --- xen/arch/x86/cpu/mcheck/mce.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/xen/arch/x86/cpu/mcheck/mce.c b/xen/arch/x86/cpu/mcheck/mce.c index 30525dd78b..8015dff8c4 100644 --- a/xen/arch/x86/cpu/mcheck/mce.c +++ b/xen/arch/x86/cpu/mcheck/mce.c @@ -62,13 +62,18 @@ struct mca_banks *mca_allbanks; #endif int mce_verbosity; -static void __init mce_set_verbosity(char *str) +static int __init mce_set_verbosity(const char *str) { if (strcmp("verbose", str) == 0) mce_verbosity = MCE_VERBOSE; else + { printk(KERN_DEBUG "Machine Check verbosity level %s not recognised" "use mce_verbosity=verbose", str); + return -EINVAL; + } + + return 0; } custom_param("mce_verbosity", mce_set_verbosity); -- 2.30.2