spi: spi-mxs: fix reference leak to master in mxs_spi_remove()

Once a spi_master_get() call succeeds, we need an additional
spi_master_put() call to free the memory, otherwise we will
leak a reference to master. Fix by removing the unnecessary
spi_master_get() call.

Fixes: 33e195acf268 ('spi: mxs: use devm_spi_register_master()')
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Mark Brown <broonie@linaro.org>

diff --git a/drivers/spi/spi-mxs.c b/drivers/spi/spi-mxs.c
index de333059a9a7ec0f55c134f15161c55bd414648c..37b3e41bf46fcbfbd992de3ab5c14c81f0dc8c49 100644 (file)
--- a/drivers/spi/spi-mxs.c
+++ b/drivers/spi/spi-mxs.c
@@ -565,7 +565,7 @@ static int mxs_spi_remove(struct platform_device *pdev)
        struct mxs_spi *spi;
        struct mxs_ssp *ssp;
 
-       master = spi_master_get(platform_get_drvdata(pdev));
+       master = platform_get_drvdata(pdev);
        spi = spi_master_get_devdata(master);
        ssp = &spi->ssp;