[PATCH v2 02/12] spi: fix spi_message init during __spi_validate

[Marco Felsch]

Set the spi_device pointer accordingly to allow drivers to use it.

While on it, set the actual_length to 0 before passing the message to
the .transfer() hook as well.

Signed-off-by: Marco Felsch <m.felsch at pengutronix.de>
---
Changelog:
v2:
 - no changes

 drivers/spi/spi.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index c627d88954a7..36d0653a191c 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -321,6 +321,8 @@ static int __spi_validate(struct spi_device *spi, struct spi_message *message)
 	if (list_empty(&message->transfers))
 		return -EINVAL;
 
+	message->spi = spi;
+
 	list_for_each_entry(xfer, &message->transfers, transfer_list) {
 		if (!xfer->bits_per_word)
 			xfer->bits_per_word = spi->bits_per_word;
@@ -347,6 +349,7 @@ static int __spi_validate(struct spi_device *spi, struct spi_message *message)
 			return -EINVAL;
 	}
 
+	message->actual_length = 0;
 	message->status = -EINPROGRESS;
 
 	return 0;
-- 
2.39.5