| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.14 81/82] spi: spi-fsl-dspi: Fix a resource leak in an error handling path | Date | Mon, 26 Jul 2021 17:39:21 +0200 |
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From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
commit 680ec0549a055eb464dce6ffb4bfb736ef87236e upstream
'dspi_request_dma()' should be undone by a 'dspi_release_dma()' call in the error handling path of the probe function, as already done in the remove function
Fixes: 90ba37033cb9 ("spi: spi-fsl-dspi: Add DMA support for Vybrid") Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Reviewed-by: Vladimir Oltean <olteanv@gmail.com> Link: https://lore.kernel.org/r/d51caaac747277a1099ba8dea07acd85435b857e.1620587472.git.christophe.jaillet@wanadoo.fr Signed-off-by: Mark Brown <broonie@kernel.org> [sudip: adjust context] Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/spi/spi-fsl-dspi.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/spi/spi-fsl-dspi.c +++ b/drivers/spi/spi-fsl-dspi.c @@ -1057,11 +1057,13 @@ static int dspi_probe(struct platform_de ret = spi_register_master(master); if (ret != 0) { dev_err(&pdev->dev, "Problem registering DSPI master\n"); - goto out_free_irq; + goto out_release_dma; } return ret; +out_release_dma: + dspi_release_dma(dspi); out_free_irq: if (dspi->irq) free_irq(dspi->irq, dspi);
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