Revision d246673d block-migration.c

b/block-migration.c
236 236
    BlkMigDevState *bmds;
237 237
    int64_t sectors;
238 238

  
239
    if (bs->type == BDRV_TYPE_HD) {
239
    if (!bdrv_is_read_only(bs)) {
240 240
        sectors = bdrv_getlength(bs) >> BDRV_SECTOR_BITS;
241 241
        if (sectors == 0) {
242 242
            return;

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