@@ -281,7 +281,7 @@ static int megasas_map_sgl(MegasasState *s, MegasasCmd *cmd, union mfi_sgl *sgl)
if (iov_count > MEGASAS_MAX_SGE) {
trace_megasas_iovec_sgl_overflow(cmd->index, iov_count,
MEGASAS_MAX_SGE);
- return iov_count;
+ return -1;
}
pci_dma_sglist_init(&cmd->qsg, PCI_DEVICE(s), iov_count);
for (i = 0; i < iov_count; i++) {
@@ -311,7 +311,7 @@ static int megasas_map_sgl(MegasasState *s, MegasasCmd *cmd, union mfi_sgl *sgl)
return 0;
unmap:
qemu_sglist_destroy(&cmd->qsg);
- return iov_count - i;
+ return -1;
}
/*
The caller of 'megasas_map_sgl' will only check if the return is zero or not. If it return 0 it means success, as in the next patch we will consider 'iov_count=0' is an error, so let's return -1 to indicate a failure. Signed-off-by: Li Qiang <liq3ea@163.com> --- hw/scsi/megasas.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)