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-rw-r--r--hw/ide/ahci.c1
-rw-r--r--hw/ide/macio.c2
2 files changed, 2 insertions, 1 deletions
diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c
index dd1912e80d..17f1cbd930 100644
--- a/hw/ide/ahci.c
+++ b/hw/ide/ahci.c
@@ -910,6 +910,7 @@ static void ncq_err(NCQTransferState *ncq_tfs)
     ide_state->error = ABRT_ERR;
     ide_state->status = READY_STAT | ERR_STAT;
     ncq_tfs->drive->port_regs.scr_err |= (1 << ncq_tfs->tag);
+    ncq_tfs->used = 0;
 }
 
 static void ncq_finish(NCQTransferState *ncq_tfs)
diff --git a/hw/ide/macio.c b/hw/ide/macio.c
index 97712619cd..d4031b65e4 100644
--- a/hw/ide/macio.c
+++ b/hw/ide/macio.c
@@ -280,7 +280,7 @@ static void pmac_ide_atapi_transfer_cb(void *opaque, int ret)
     }
 
     /* Calculate current offset */
-    offset = (int64_t)(s->lba << 11) + s->io_buffer_index;
+    offset = ((int64_t)s->lba << 11) + s->io_buffer_index;
 
     pmac_dma_read(s->blk, offset, io->len, pmac_ide_atapi_transfer_cb, io);
     return;