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-rw-r--r--src/hw/blockcmd.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/hw/blockcmd.c b/src/hw/blockcmd.c
index 324188d7..98c06ced 100644
--- a/src/hw/blockcmd.c
+++ b/src/hw/blockcmd.c
@@ -215,7 +215,9 @@ static u64 scsilun2u64(struct scsi_lun *scsi_lun)
int scsi_rep_luns_scan(struct drive_s *tmp_drive, scsi_add_lun add_lun)
{
int ret = -1;
- u32 maxluns = 511;
+ /* start with the smallest possible buffer, otherwise some devices in QEMU
+ * may (incorrectly) error out on returning less data than fits in it */
+ u32 maxluns = 1;
u32 nluns, i;
struct cdb_report_luns cdb = {
.command = CDB_CMD_REPORT_LUNS,