Unverified Commit 1e7dae68 authored by Yuanjun Gong's avatar Yuanjun Gong Committed by Mark Brown
Browse files

spi: fix return value check in bcm2835_spi_probe() 



in bcm2835_spi_probe(), clk_prepare_enable() may fail, therefore,
the return value of clk_prepare_enable() should be checked, and
the function should return error if clk_prepare_enable() fails.

Signed-off-by: default avatarYuanjun Gong <ruc_gongyuanjun@163.com>
Link: https://lore.kernel.org/r/20230720140859.33883-1-ruc_gongyuanjun@163.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent c5a7b668

drivers/spi/spi-bcm2835.c

+3 −1
Original line number Diff line number Diff line
@@ -1363,7 +1363,9 @@ static int bcm2835_spi_probe(struct platform_device *pdev) 
	if (bs->irq <= 0)

		return bs->irq ? bs->irq : -ENODEV;



	clk_prepare_enable(bs->clk);

	err = clk_prepare_enable(bs->clk);

	if (err)

		return err;

	bs->clk_hz = clk_get_rate(bs->clk);



	err = bcm2835_dma_init(ctlr, &pdev->dev, bs);