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spi: stm32: Fix error handling in stm32_spi_probe()

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clk_get_rate() is below clk_prepare_enable(), so
its error should lead to goto err_clk_disable, not to err_master_put.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Reviewed-by: Amelie Delaunay <amelie.delaunay@st.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Alexey Khoroshilov 2018-03-30 22:54:44 +03:00 committed by Mark Brown
parent 10b4640833
commit 3dbb3eef91
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1 changed files with 1 additions and 1 deletions
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2
drivers/spi/spi-stm32.c
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@ -1129,7 +1129,7 @@ static int stm32_spi_probe(struct platform_device *pdev)
if (!spi->clk_rate) {
dev_err(&pdev->dev, "clk rate = 0\n");
ret = -EINVAL;
goto err_master_put;
goto err_clk_disable;
}
spi->rst = devm_reset_control_get_exclusive(&pdev->dev, NULL);