diff options
| -rw-r--r-- | drivers/spi/spi.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 3bcd6f178f73..a15545cee4d2 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -866,6 +866,7 @@ static int __spi_map_msg(struct spi_controller *ctlr, struct spi_message *msg) else rx_dev = ctlr->dev.parent; + ret = -ENOMSG; list_for_each_entry(xfer, &msg->transfers, transfer_list) { if (!ctlr->can_dma(ctlr, msg->spi, xfer)) continue; @@ -889,6 +890,9 @@ static int __spi_map_msg(struct spi_controller *ctlr, struct spi_message *msg) } } } + /* No transfer has been mapped, bail out with success */ + if (ret) + return 0; ctlr->cur_msg_mapped = true; |