Messages in this thread Patch in this message | | | From | Shailendra Verma <> | Subject | [PATCH] Arch: arm: plat-pxa - Fix possible NULL derefrence. | Date | Mon, 30 Jan 2017 10:28:31 +0530 |
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of_match_device could return NULL, and so can cause a NULL pointer dereference later.
Signed-off-by: Shailendra Verma <shailendra.v@samsung.com> --- arch/arm/plat-pxa/ssp.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/arch/arm/plat-pxa/ssp.c b/arch/arm/plat-pxa/ssp.c index ba13f79..7d1cd51 100644 --- a/arch/arm/plat-pxa/ssp.c +++ b/arch/arm/plat-pxa/ssp.c @@ -204,6 +204,10 @@ static int pxa_ssp_probe(struct platform_device *pdev) if (dev->of_node) { const struct of_device_id *id = of_match_device(of_match_ptr(pxa_ssp_of_ids), dev); + if (!id) { + dev_err(dev, "Error: No device match found\n"); + return -ENODEV; + } ssp->type = (int) id->data; } else { const struct platform_device_id *id = -- 1.7.9.5
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