diff options
Diffstat (limited to 'hw/scsi/megasas.c')
-rw-r--r-- | hw/scsi/megasas.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/hw/scsi/megasas.c b/hw/scsi/megasas.c index 52a41239cf..ca62952941 100644 --- a/hw/scsi/megasas.c +++ b/hw/scsi/megasas.c @@ -461,9 +461,12 @@ static void megasas_unmap_frame(MegasasState *s, MegasasCmd *cmd) { PCIDevice *p = PCI_DEVICE(s); - pci_dma_unmap(p, cmd->frame, cmd->pa_size, 0, 0); + if (cmd->pa_size) { + pci_dma_unmap(p, cmd->frame, cmd->pa_size, 0, 0); + } cmd->frame = NULL; cmd->pa = 0; + cmd->pa_size = 0; clear_bit(cmd->index, s->frame_map); } |