From: Dirk Brandewie <[email protected]>

BUG_ON() if the selected chip select is out of range.

Signed-off-by: Dirk Brandewie <[email protected]>
---
 drivers/spi/spi-dw.h |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/drivers/spi/spi-dw.h b/drivers/spi/spi-dw.h
index 860bc34..3fa4c13 100644
--- a/drivers/spi/spi-dw.h
+++ b/drivers/spi/spi-dw.h
@@ -178,8 +178,7 @@ static inline void spi_dw_set_clk(struct spi_dw *dws, u16 
div)
 
 static inline void spi_dw_chip_sel(struct spi_dw *dws, u16 cs)
 {
-       if (cs > dws->num_cs)
-               return;
+       BUG_ON(cs >= dws->master->num_chipselect);
 
        if (dws->cs_control)
                dws->cs_control(SPI_DW_ASSERT);
-- 
1.7.3.4


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