From b533f658a98325d0e47b36113bd9f5bcc046fdae Mon Sep 17 00:00:00 2001
From: Mario Smarduch <m.smarduch@samsung.com>
Date: Wed, 19 Mar 2014 10:24:26 -0700
Subject: [PATCH] fix return check for KVM_GET_DIRTY_LOG ioctl
Fix return condition check from kvm_vm_ioctl(s, KVM_GET_DIRTY_LOG, &d) to
handle internal failures or no support for memory slot dirty bitmap.
Otherwise the ioctl succeeds and continues with migration.
Addresses BUG# 1294227
Signed-off-by: Mario Smarduch <m.smarduch@samsung.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
---
kvm-all.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kvm-all.c b/kvm-all.c
index 82a91199e1..cd4111dbda 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -441,7 +441,7 @@ static int kvm_physical_sync_dirty_bitmap(MemoryRegionSection *section)
d.slot = mem->slot;
- if (kvm_vm_ioctl(s, KVM_GET_DIRTY_LOG, &d) == -1) {
+ if (kvm_vm_ioctl(s, KVM_GET_DIRTY_LOG, &d) < 0) {
DPRINTF("ioctl failed %d\n", errno);
ret = -1;
break;
--
2.42.0