Commit b533f658 authored by Mario Smarduch's avatar Mario Smarduch Committed by Michael Tokarev

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: default avatarMario Smarduch <m.smarduch@samsung.com>
Signed-off-by: default avatarMichael Tokarev <mjt@tls.msk.ru>
parent a443bc34
......@@ -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;
......
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