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-rw-r--r--hw/block/nvme.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index 0f3dfb90ea..1e071662d2 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -222,7 +222,7 @@ static uint16_t nvme_rw(NvmeCtrl *n, NvmeNamespace *ns, NvmeCmd *cmd,
uint8_t lba_index = NVME_ID_NS_FLBAS_INDEX(ns->id_ns.flbas);
uint8_t data_shift = ns->id_ns.lbaf[lba_index].ds;
- uint64_t data_size = nlb << data_shift;
+ uint64_t data_size = (uint64_t)nlb << data_shift;
uint64_t aio_slba = slba << (data_shift - BDRV_SECTOR_BITS);
int is_write = rw->opcode == NVME_CMD_WRITE ? 1 : 0;