diff options
author | Wei Yongjun <weiyj.lk@gmail.com> | 2016-08-20 17:25:32 +0200 |
---|---|---|
committer | Mark Brown <broonie@kernel.org> | 2016-08-22 18:45:22 +0200 |
commit | 6999aeabbb703a81a204cb6f9f8f151759a99ac4 (patch) | |
tree | 7d207c8e3e007d0ea7a5394b3b5fbc10cf24f2df /drivers/spi/spi-fsl-dspi.c | |
parent | spi: spi-fsl-dspi: Check clk_prepare_enable() error (diff) | |
download | linux-6999aeabbb703a81a204cb6f9f8f151759a99ac4.tar.xz linux-6999aeabbb703a81a204cb6f9f8f151759a99ac4.zip |
spi: spi-fsl-dspi: Drop extra spi_master_put in device remove function
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@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi/spi-fsl-dspi.c')
-rw-r--r-- | drivers/spi/spi-fsl-dspi.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c index 95d8b929cd52..35c0dd945668 100644 --- a/drivers/spi/spi-fsl-dspi.c +++ b/drivers/spi/spi-fsl-dspi.c @@ -763,7 +763,6 @@ static int dspi_remove(struct platform_device *pdev) /* Disconnect from the SPI framework */ clk_disable_unprepare(dspi->clk); spi_unregister_master(dspi->master); - spi_master_put(dspi->master); return 0; } |