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Subject[PATCH 06/11] spi-dw: Force error on out of range chip select.
Date
From: Dirk Brandewie <dirk.brandewie@gmail.com>

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

Signed-off-by: Dirk Brandewie <dirk.brandewie@gmail.com>
---
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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