[PATCH] migration/dirtyrate: Replace malloc with g_new

[jianchunfu]

Using macro g_new() to handling potential memory allocation failures
in dirtyrate.

Signed-off-by: jianchunfu <jianchunfu@cmss.chinamobile.com>
---
 migration/dirtyrate.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/migration/dirtyrate.c b/migration/dirtyrate.c
index aace12a787..0e59aacbb0 100644
--- a/migration/dirtyrate.c
+++ b/migration/dirtyrate.c
@@ -522,10 +522,10 @@ static void calculate_dirtyrate_dirty_ring(struct 
DirtyRateConfig config)
         nvcpu++;
     }
 
-    dirty_pages = malloc(sizeof(*dirty_pages) * nvcpu);
+    dirty_pages = g_new(DirtyPageRecord, nvcpu);
 
     DirtyStat.dirty_ring.nvcpu = nvcpu;
-    DirtyStat.dirty_ring.rates = malloc(sizeof(DirtyRateVcpu) * nvcpu);
+    DirtyStat.dirty_ring.rates = g_new(DirtyRateVcpu, nvcpu);
 
     dirtyrate_global_dirty_log_start();
 
-- 
2.18.4