Patch "spi: davinci: use dma_mapping_error()" has been added to the 4.4-stable tree

This is a note to let you know that I've just added the patch titled

spi: davinci: use dma_mapping_error()

to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
spi-davinci-use-dma_mapping_error.patch
and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: Kevin Hilman <[email protected]>
Date: Wed, 11 Jan 2017 18:18:40 -0800
Subject: spi: davinci: use dma_mapping_error()

From: Kevin Hilman <[email protected]>

[ Upstream commit c5a2a394835f473ae23931eda5066d3771d7b2f8 ]

The correct error checking for dma_map_single() is to use dma_mapping_error().

---
 drivers/spi/spi-davinci.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

@@ -651,7 +651,7 @@ 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 (!t->rx_dma) {
+		if (dma_mapping_error(&spi->dev, !t->rx_dma)) {
 			ret = -EFAULT;
 			goto err_rx_map;
 		}

@@ -665,7 +665,7 @@ static int davinci_spi_bufs(struct spi_d
 			buf = (void *)t->tx_buf;
 		t->tx_dma = dma_map_single(&spi->dev, buf,
 				t->len, DMA_TO_DEVICE);
-		if (!t->tx_dma) {
+		if (dma_mapping_error(&spi->dev, t->tx_dma)) {
 			ret = -EFAULT;
 			goto err_tx_map;
 		}

Patches currently in stable-queue which might be from [email protected] are

queue-4.4/spi-davinci-use-dma_mapping_error.patch