diff options
| author | Christopher Hill <ch6574@gmail.com> | 2020-05-21 20:36:29 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-05-22 15:13:16 +0200 |
| commit | 678e5e1e42d74f77a6e2e9feb6f95ed72a996251 (patch) | |
| tree | a84078c9e2d620974148cd8a1feef0a55184aba6 /drivers/spi/spi-rb4xx.c | |
| parent | spi: bcm2835: Tear down DMA before turning off SPI controller (diff) | |
| download | linux-678e5e1e42d74f77a6e2e9feb6f95ed72a996251.tar.xz linux-678e5e1e42d74f77a6e2e9feb6f95ed72a996251.zip | |
spi: rb4xx: null pointer bug fix
This patch fixes a null pointer bug in the spi driver spi-rb4xx.c by
moving the private data initialization to earlier in probe
Signed-off-by: Christopher Hill <ch6574@gmail.com>
Link: https://lore.kernel.org/r/20200521183631.37806-1-ch6574@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi/spi-rb4xx.c')
| -rw-r--r-- | drivers/spi/spi-rb4xx.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/spi/spi-rb4xx.c b/drivers/spi/spi-rb4xx.c index 4c9620e0d18c..17e1a77dc132 100644 --- a/drivers/spi/spi-rb4xx.c +++ b/drivers/spi/spi-rb4xx.c @@ -158,6 +158,11 @@ static int rb4xx_spi_probe(struct platform_device *pdev) master->transfer_one = rb4xx_transfer_one; master->set_cs = rb4xx_set_cs; + rbspi = spi_master_get_devdata(master); + rbspi->base = spi_base; + rbspi->clk = ahb_clk; + platform_set_drvdata(pdev, rbspi); + err = devm_spi_register_master(&pdev->dev, master); if (err) { dev_err(&pdev->dev, "failed to register SPI master\n"); @@ -168,11 +173,6 @@ static int rb4xx_spi_probe(struct platform_device *pdev) if (err) return err; - rbspi = spi_master_get_devdata(master); - rbspi->base = spi_base; - rbspi->clk = ahb_clk; - platform_set_drvdata(pdev, rbspi); - /* Enable SPI */ rb4xx_write(rbspi, AR71XX_SPI_REG_FS, AR71XX_SPI_FS_GPIO); |