X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=drivers%2Fspi%2Fspi_mpc83xx.c;h=e9798bf7b8c6a0dff43795edc1ec1ee36ade6c42;hb=67ac58edf771b10f8e89bf9fe1ccf6c9b92ce063;hp=ff0b04895db06b763b1a225ac983965f4c122372;hpb=12e36b2f41b6cbc67386fcb9c59c32a3e2033905;p=powerpc.git

diff --git a/drivers/spi/spi_mpc83xx.c b/drivers/spi/spi_mpc83xx.c
index ff0b04895d..e9798bf7b8 100644
--- a/drivers/spi/spi_mpc83xx.c
+++ b/drivers/spi/spi_mpc83xx.c
@@ -112,6 +112,8 @@ u32 mpc83xx_spi_tx_buf_##type(struct mpc83xx_spi *mpc83xx_spi)	\
 {								\
 	u32 data;						\
 	const type * tx = mpc83xx_spi->tx;			\
+	if (!tx)						\
+		return 0;					\
 	data = *tx++;						\
 	mpc83xx_spi->tx = tx;					\
 	return data;						\