[libvirt] [PATCH] util: fix a bug found in sorting cache monitor results

[Wang Huaqiang]

From: Huaqiang <huaqiang.wang at intel.com>

The qsort element is a pointer of virResctrlMonitorStats, and
the comparing function's arguments have a type of pointer of
virResctrlMonitorStatsPtr.

Signed-off-by: Huaqiang <huaqiang.wang at intel.com>
---
 src/util/virresctrl.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/util/virresctrl.c b/src/util/virresctrl.c
index b845f36..a190977 100644
--- a/src/util/virresctrl.c
+++ b/src/util/virresctrl.c
@@ -2659,8 +2659,8 @@ static int
 virResctrlMonitorStatsSorter(const void *a,
                              const void *b)
 {
-    return ((virResctrlMonitorStatsPtr)a)->id
-        - ((virResctrlMonitorStatsPtr)b)->id;
+    return (*(virResctrlMonitorStatsPtr *)a)->id
+        - (*(virResctrlMonitorStatsPtr *)b)->id;
 }
 
 
@@ -2758,7 +2758,7 @@ virResctrlMonitorGetStats(virResctrlMonitorPtr monitor,
 
     /* Sort in id's ascending order */
     if (*nstats)
-        qsort(*stats, *nstats, sizeof(*stat), virResctrlMonitorStatsSorter);
+        qsort(*stats, *nstats, sizeof(stat), virResctrlMonitorStatsSorter);
 
     ret = 0;
  cleanup:
-- 
2.7.4