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fix savevm command without id or tag
savevm without id or tag segfaults in: (gdb) bt #0 0x00007f600a83bf8a in __strcmp_sse42 () from /lib64/libc.so.6 #1 0x00000000004745b6 in bdrv_snapshot_find (bs=<value optimized out>, sn_info=0x7fff996be280, name=0x0) at savevm.c:1631 #2 0x0000000000475c80 in del_existing_snapshots (name=<value optimized out>, mon=<value optimized out>) at savevm.c:1654 #3 do_savevm (name=<value optimized out>, mon=<value optimized out>) Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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savevm.c
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savevm.c
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@ -1695,7 +1695,7 @@ void do_savevm(Monitor *mon, const QDict *qdict)
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sn->vm_clock_nsec = qemu_get_clock(vm_clock);
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/* Delete old snapshots of the same name */
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if (del_existing_snapshots(mon, name) < 0) {
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if (name && del_existing_snapshots(mon, name) < 0) {
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goto the_end;
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}
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