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Commit 08a707b8 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Mark Brown
Browse files

spi: dw: fix kernel crash due to NULL pointer dereference 



The obvious fix after the commit d9c73bb8 "spi: dw: add support for gpio
controlled chip select". This patch fixes the issue by using locally defined
temporary variable.

Fixes: d9c73bb8 (spi: dw: add support for gpio controlled chip select)
Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: default avatarMark Brown <broonie@linaro.org>
Cc: <stable@vger.kernel.org>
parent c9d5d6fe

drivers/spi/spi-dw.c

+1 −1
Original line number Diff line number Diff line
@@ -271,7 +271,7 @@ static void giveback(struct dw_spi *dws) 
					transfer_list);



	if (!last_transfer->cs_change)

		spi_chip_sel(dws, dws->cur_msg->spi, 0);

		spi_chip_sel(dws, msg->spi, 0);



	spi_finalize_current_message(dws->master);

}