From: Dirk Brandewie <[email protected]>

Fix the condition based on whether the current transfer has a tx/rx
buffer.

Signed-off-by: Dirk Brandewie <[email protected]>
---
 drivers/spi/spi-dw.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c
index cc38aa0..35b952b 100644
--- a/drivers/spi/spi-dw.c
+++ b/drivers/spi/spi-dw.c
@@ -193,8 +193,8 @@ static void spi_dw_writer(struct spi_dw *dws)
        u16 txw = 0;
 
        while (max--) {
-               /* Set the tx word if the transfer's original "tx" is not null 
*/
-               if (dws->tx_end - dws->len) {
+               /* Set the tx word if the transfer's "tx" is not null */
+               if (dws->tx) {
                        if (dws->n_bytes == 1)
                                txw = *(u8 *)(dws->tx);
                        else
@@ -213,7 +213,7 @@ static void spi_dw_reader(struct spi_dw *dws)
        while (max--) {
                rxw = dw_readw(dws, dr);
                /* Care rx only if the transfer's original "rx" is not null */
-               if (dws->rx_end - dws->len) {
+               if (dws->rx) {
                        if (dws->n_bytes == 1)
                                *(u8 *)(dws->rx) = rxw;
                        else
-- 
1.7.3.4


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