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From: Dario Faggioli <dario.faggioli@citrix.com>
To: xen-devel@lists.xenproject.org
Cc: George Dunlap <george.dunlap@eu.citrix.com>,
	Wei Liu <wei.liu2@citrix.com>,
	Ian Jackson <ian.jackson@eu.citrix.com>
Subject: [PATCH v2 08/10] libxl: fix coding style of credit1 parameters related functions
Date: Fri, 30 Sep 2016 04:54:14 +0200	[thread overview]
Message-ID: <147520405481.22544.7998206786104494657.stgit@Solace.fritz.box> (raw)
In-Reply-To: <147520253247.22544.10673844222866363947.stgit@Solace.fritz.box>

More specifically, the the error handling path is
made compliant with libxl's codying style.

No functional change intended.

Signed-off-by: Dario Faggioli <dario.faggioli@citrix.com>
---
Cc: Ian Jackson <ian.jackson@eu.citrix.com>
Cc: Wei Liu <wei.liu2@citrix.com>
Cc: George Dunlap <george.dunlap@eu.citrix.com>
---
Changes from v1:
 * new patch, containing only the coding style changes from what was patch 14
   in v1.
---
 tools/libxl/libxl.c |   43 +++++++++++++++++++++++--------------------
 1 file changed, 23 insertions(+), 20 deletions(-)

diff --git a/tools/libxl/libxl.c b/tools/libxl/libxl.c
index 997d94c..606d71a 100644
--- a/tools/libxl/libxl.c
+++ b/tools/libxl/libxl.c
@@ -5233,65 +5233,68 @@ int libxl_sched_credit_params_get(libxl_ctx *ctx, uint32_t poolid,
                                   libxl_sched_credit_params *scinfo)
 {
     struct xen_sysctl_credit_schedule sparam;
-    int rc;
+    int r, rc;
     GC_INIT(ctx);
 
-    rc = xc_sched_credit_params_get(ctx->xch, poolid, &sparam);
-    if (rc != 0) {
-        LOGE(ERROR, "getting sched credit param");
-        GC_FREE;
-        return ERROR_FAIL;
+    r = xc_sched_credit_params_get(ctx->xch, poolid, &sparam);
+    if (r < 0) {
+        LOGE(ERROR, "getting Credit scheduler parameters");
+        rc = ERROR_FAIL;
+        goto out;
     }
 
     scinfo->tslice_ms = sparam.tslice_ms;
     scinfo->ratelimit_us = sparam.ratelimit_us;
 
+    rc = 0;
+ out:
     GC_FREE;
-    return 0;
+    return rc;
 }
 
 int libxl_sched_credit_params_set(libxl_ctx *ctx, uint32_t poolid,
                                   libxl_sched_credit_params *scinfo)
 {
     struct xen_sysctl_credit_schedule sparam;
-    int rc=0;
+    int r, rc;
     GC_INIT(ctx);
 
     if (scinfo->tslice_ms <  XEN_SYSCTL_CSCHED_TSLICE_MIN
         || scinfo->tslice_ms > XEN_SYSCTL_CSCHED_TSLICE_MAX) {
         LOG(ERROR, "Time slice out of range, valid range is from %d to %d",
             XEN_SYSCTL_CSCHED_TSLICE_MIN, XEN_SYSCTL_CSCHED_TSLICE_MAX);
-        GC_FREE;
-        return ERROR_INVAL;
+        rc = ERROR_INVAL;
+        goto out;
     }
     if (scinfo->ratelimit_us <  XEN_SYSCTL_SCHED_RATELIMIT_MIN
         || scinfo->ratelimit_us > XEN_SYSCTL_SCHED_RATELIMIT_MAX) {
         LOG(ERROR, "Ratelimit out of range, valid range is from %d to %d",
             XEN_SYSCTL_SCHED_RATELIMIT_MIN, XEN_SYSCTL_SCHED_RATELIMIT_MAX);
-        GC_FREE;
-        return ERROR_INVAL;
+        rc = ERROR_INVAL;
+        goto out;
     }
     if (scinfo->ratelimit_us > scinfo->tslice_ms*1000) {
         LOG(ERROR, "Ratelimit cannot be greater than timeslice");
-        GC_FREE;
-        return ERROR_INVAL;
+        rc = ERROR_INVAL;
+        goto out;
     }
 
     sparam.tslice_ms = scinfo->tslice_ms;
     sparam.ratelimit_us = scinfo->ratelimit_us;
 
-    rc = xc_sched_credit_params_set(ctx->xch, poolid, &sparam);
-    if ( rc < 0 ) {
-        LOGE(ERROR, "setting sched credit param");
-        GC_FREE;
-        return ERROR_FAIL;
+    r = xc_sched_credit_params_set(ctx->xch, poolid, &sparam);
+    if ( r < 0 ) {
+        LOGE(ERROR, "Setting Credit scheduler parameters");
+        rc = ERROR_FAIL;
+        goto out;
     }
 
     scinfo->tslice_ms = sparam.tslice_ms;
     scinfo->ratelimit_us = sparam.ratelimit_us;
 
+ out:
     GC_FREE;
-    return 0;
+    return rc;
 }
 
 static int sched_credit2_domain_get(libxl__gc *gc, uint32_t domid,


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  parent reply	other threads:[~2016-09-30  2:54 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-30  2:53 [PATCH v2 00/10] sched: Credit1 and Credit2 improvements... but *NO* soft-affinity for Credit2! Dario Faggioli
2016-09-30  2:53 ` [PATCH v2 01/10] xen: credit1: return the 'time remaining to the limit' as next timeslice Dario Faggioli
2016-09-30 11:16   ` George Dunlap
2016-09-30  2:53 ` [PATCH v2 02/10] xen: credit1: don't rate limit context switches in case of yields Dario Faggioli
2016-09-30 11:18   ` George Dunlap
2016-09-30  2:53 ` [PATCH v2 03/10] xen: credit2: make tickling more deterministic Dario Faggioli
2016-09-30 11:25   ` George Dunlap
2016-09-30  2:53 ` [PATCH v2 04/10] xen: credit2: only reset credit on reset condition Dario Faggioli
2016-09-30 11:28   ` George Dunlap
2016-09-30 12:25   ` anshul makkar
2016-09-30 12:57     ` Dario Faggioli
2016-09-30  2:53 ` [PATCH v2 05/10] xen: credit2: implement yield() Dario Faggioli
2016-09-30 12:52   ` George Dunlap
2016-09-30 14:01     ` Dario Faggioli
2016-09-30  2:54 ` [PATCH v2 06/10] xen: tracing: add trace records for schedule and rate-limiting Dario Faggioli
2016-09-30 13:16   ` George Dunlap
2016-10-01  0:18   ` Meng Xu
2016-09-30  2:54 ` [PATCH v2 07/10] tools: tracing: handle more scheduling related events Dario Faggioli
2016-09-30 10:22   ` Ian Jackson
2016-09-30  2:54 ` Dario Faggioli [this message]
2016-09-30 10:24   ` [PATCH v2 08/10] libxl: fix coding style of credit1 parameters related functions Ian Jackson
2016-09-30 12:04     ` Dario Faggioli
2016-09-30 13:25       ` George Dunlap
2016-09-30  2:54 ` [PATCH v2 09/10] libxl: allow to set the ratelimit value online for Credit2 Dario Faggioli
2016-09-30 10:30   ` Ian Jackson
2016-09-30 10:33     ` George Dunlap
2016-09-30 10:35       ` Ian Jackson
2016-09-30 12:37       ` Dario Faggioli
2016-09-30  2:54 ` [PATCH v2 10/10] xl: " Dario Faggioli
2016-09-30 10:34   ` Ian Jackson
2016-09-30 15:54     ` Dario Faggioli
2016-09-30 16:02       ` Ian Jackson
2016-10-13 22:19   ` Jim Fehlig
2016-10-14 11:31     ` George Dunlap
2016-09-30 13:51 ` [PATCH v2 00/10] sched: Credit1 and Credit2 improvements... but *NO* soft-affinity for Credit2! George Dunlap
2016-09-30 14:06   ` Dario Faggioli
2016-09-30 14:10     ` George Dunlap
2016-09-30 14:12       ` Dario Faggioli

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