of_match_device could return NULL, and so can cause a NULL pointer dereference later.
Signed-off-by: Shailendra Verma <shailendr...@samsung.com> --- drivers/spi/spi-mxs.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/spi/spi-mxs.c b/drivers/spi/spi-mxs.c index 5b0e9a3..c3aea7e 100644 --- a/drivers/spi/spi-mxs.c +++ b/drivers/spi/spi-mxs.c @@ -470,6 +470,11 @@ static int mxs_spi_probe(struct platform_device *pdev) */ const int clk_freq_default = 160000000; + if (!of_id) { + dev_err(&pdev->dev, "Error: No device match found\n"); + return -ENODEV; + } + iores = platform_get_resource(pdev, IORESOURCE_MEM, 0); irq_err = platform_get_irq(pdev, 0); if (irq_err < 0) -- 1.7.9.5