| From | Greg Kroah-Hartman <> | Subject | [PATCH 3.16 175/357] spi: dw: fix kernel crash due to NULL pointer dereference | Date | Fri, 3 Oct 2014 14:29:21 -0700 |
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3.16-stable review patch. If anyone has any objections, please let me know.
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From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
commit 08a707b87874eaaa0f336ab604ecd6e5e9f286dd upstream.
The obvious fix after the commit d9c73bb8a3a5 "spi: dw: add support for gpio controlled chip select". This patch fixes the issue by using locally defined temporary variable.
Fixes: d9c73bb8a3a5 (spi: dw: add support for gpio controlled chip select) Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Mark Brown <broonie@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/spi/spi-dw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/spi/spi-dw.c +++ b/drivers/spi/spi-dw.c @@ -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); }
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