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[17/52] xen/arch/x86/oprofile/nmi_int.c: let custom parameter parsing routines return errno

Message ID 20170809070706.13481-18-jgross@suse.com (mailing list archive)
State New, archived
Headers show

Commit Message

Jürgen Groß Aug. 9, 2017, 7:06 a.m. UTC 
Modify the custom parameter parsing routines in:

xen/arch/x86/oprofile/nmi_int.c

to indicate whether the parameter value was parsed successfully.

Cc: Jan Beulich <jbeulich@suse.com>
Cc: Andrew Cooper <andrew.cooper3@citrix.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
---
 xen/arch/x86/oprofile/nmi_int.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox

Patch

diff --git a/xen/arch/x86/oprofile/nmi_int.c b/xen/arch/x86/oprofile/nmi_int.c
index 126f7a8d9f..91965ac7df 100644
--- a/xen/arch/x86/oprofile/nmi_int.c
+++ b/xen/arch/x86/oprofile/nmi_int.c
@@ -329,6 +329,8 @@  static int force_cpu_type(const char *str)
 		force_arch_perfmon = 1;
 		printk(KERN_INFO "oprofile: forcing architectural perfmon\n");
 	}
+	else
+		return -EINVAL;
 
 	return 0;
 }