From: Juergen Gross <jgross@suse.com>
Date: Wed, 23 Aug 2017 17:38:00 +0000 (+0200)
Subject: xen/common/sched_credit2.c: let custom parameter parsing routines return errno
X-Git-Tag: archive/raspbian/4.11.1-1+rpi1~1^2~66^2~1578
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=c298d1be76cb6b7bf5b6e5e434c84206a9957db7;p=xen.git

xen/common/sched_credit2.c: let custom parameter parsing routines return errno

Modify the custom parameter parsing routines in:

xen/common/sched_credit2.c

to indicate whether the parameter value was parsed successfully.

Signed-off-by: Juergen Gross <jgross@suse.com>
Acked-by: Dario Faggioli <dario.faggioli@citrix.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
---

diff --git a/xen/common/sched_credit2.c b/xen/common/sched_credit2.c
index 29c002a63e..9b1db1351f 100644
--- a/xen/common/sched_credit2.c
+++ b/xen/common/sched_credit2.c
@@ -339,7 +339,7 @@ static const char *const opt_runqueue_str[] = {
 };
 static int __read_mostly opt_runqueue = OPT_RUNQUEUE_SOCKET;
 
-static void parse_credit2_runqueue(const char *s)
+static int parse_credit2_runqueue(const char *s)
 {
     unsigned int i;
 
@@ -348,11 +348,13 @@ static void parse_credit2_runqueue(const char *s)
         if ( !strcmp(s, opt_runqueue_str[i]) )
         {
             opt_runqueue = i;
-            return;
+            return 0;
         }
     }
 
     printk("WARNING, unrecognized value of credit2_runqueue option!\n");
+
+    return -EINVAL;
 }
 custom_param("credit2_runqueue", parse_credit2_runqueue);