4.9-stable review patch. If anyone has any objections, please let me know.
------------------
From: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
commit aabb797b4c1204b2e8518538b2616e476f2bac92, which is commit
c5a2a394835f473ae23931eda5066d3771d7b2f8 upstream had an error in it.
Ben writes:
The '!' needs to be deleted. This appears to have been fixed upstream
by:
commit 8aedbf580d21121d2a032e4c8ea12d8d2d85e275
Author: Fabien Parent <fparent@xxxxxxxxxxxx>
Date: Thu Feb 23 19:01:56 2017 +0100
spi: davinci: Use SPI framework to handle DMA mapping
which is not suitable for stable.
So I'm just fixing this up directly.
Reported-by: Ben Hutchings <ben.hutchings@xxxxxxxxxxxxxxx>
Cc: Kevin Hilman <khilman@xxxxxxxxxxxx>
Cc: Mark Brown <broonie@xxxxxxxxxx>
Cc: Sasha Levin <alexander.levin@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/spi/spi-davinci.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/spi/spi-davinci.c
+++ b/drivers/spi/spi-davinci.c
@@ -646,7 +646,7 @@ static int davinci_spi_bufs(struct spi_d
buf = t->rx_buf;
t->rx_dma = dma_map_single(&spi->dev, buf,
t->len, DMA_FROM_DEVICE);
- if (dma_mapping_error(&spi->dev, !t->rx_dma)) {
+ if (dma_mapping_error(&spi->dev, t->rx_dma)) {
ret = -EFAULT;
goto err_rx_map;
}