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fix return check for KVM_GET_DIRTY_LOG ioctl

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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>
This commit is contained in:
Mario Smarduch 2014-03-19 10:24:26 -07:00 committed by Michael Tokarev
parent a443bc3496
commit b533f658a9
1 changed files with 1 additions and 1 deletions
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kvm-all.c
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@ -441,7 +441,7 @@ static int kvm_physical_sync_dirty_bitmap(MemoryRegionSection *section)
d.slot = mem->slot; 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); DPRINTF("ioctl failed %d\n", errno);
ret = -1; ret = -1;
break; break;