diff options
| author | Li Qiang <liq3ea@gmail.com> | 2017-03-14 03:56:20 -0700 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2017-03-14 13:26:37 +0100 |
| commit | b01a2d07c963e96dbd151f0db1eaa06f273acf34 (patch) | |
| tree | 902872302f2390b6075260c38e46cfeca89f74cb | |
| parent | bd5d983fa87e5a0230a2bc6a54972f53e39ad978 (diff) | |
scsi: mptsas: fix the wrong reading size in fetch request
When fetching request, it should read sizeof(*hdr), not the
pointer hdr.
Signed-off-by: Li Qiang <liqiang6-s@360.cn>
Message-Id: <1489488980-130668-1-git-send-email-liqiang6-s@360.cn>
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
| -rw-r--r-- | hw/scsi/mptsas.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/hw/scsi/mptsas.c b/hw/scsi/mptsas.c index 2e091c0156..765ab53c34 100644 --- a/hw/scsi/mptsas.c +++ b/hw/scsi/mptsas.c @@ -756,7 +756,7 @@ static void mptsas_fetch_request(MPTSASState *s) /* Read the message header from the guest first. */ addr = s->host_mfa_high_addr | MPTSAS_FIFO_GET(s, request_post); - pci_dma_read(pci, addr, req, sizeof(hdr)); + pci_dma_read(pci, addr, req, sizeof(*hdr)); if (hdr->Function < ARRAY_SIZE(mpi_request_sizes) && mpi_request_sizes[hdr->Function]) { @@ -766,8 +766,8 @@ static void mptsas_fetch_request(MPTSASState *s) */ size = mpi_request_sizes[hdr->Function]; assert(size <= MPTSAS_MAX_REQUEST_SIZE); - pci_dma_read(pci, addr + sizeof(hdr), &req[sizeof(hdr)], - size - sizeof(hdr)); + pci_dma_read(pci, addr + sizeof(*hdr), &req[sizeof(*hdr)], + size - sizeof(*hdr)); } if (hdr->Function == MPI_FUNCTION_SCSI_IO_REQUEST) { |