4.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Wei Yongjun <weiyj.lk@xxxxxxxxx> commit 6999aeabbb703a81a204cb6f9f8f151759a99ac4 upstream. The call sequence spi_alloc_master/spi_register_master/spi_unregister_master is complete; it reduces the device reference count to zero, which and results in device memory being freed. The subsequent call to spi_master_put is unnecessary and results in an access to free memory. Drop it. Fixes: 9298bc727385 ("spi: spi-fsl-dspi: Remove spi-bitbang") Signed-off-by: Wei Yongjun <weiyj.lk@xxxxxxxxx> Signed-off-by: Mark Brown <broonie@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/spi/spi-fsl-dspi.c | 1 - 1 file changed, 1 deletion(-) --- a/drivers/spi/spi-fsl-dspi.c +++ b/drivers/spi/spi-fsl-dspi.c @@ -753,7 +753,6 @@ static int dspi_remove(struct platform_d /* Disconnect from the SPI framework */ clk_disable_unprepare(dspi->clk); spi_unregister_master(dspi->master); - spi_master_put(dspi->master); return 0; } -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html