In stm32_mdma_probe, after reading the property "st,ahb-addr-masks", the second call is not checked for failure. This time of check to time of use case of "count" error is sent upstream. Signed-off-by: Aditya Pakki <pakki001@xxxxxxx> --- drivers/dma/stm32-mdma.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/dma/stm32-mdma.c b/drivers/dma/stm32-mdma.c index 390e4cae0e1a..485dea177704 100644 --- a/drivers/dma/stm32-mdma.c +++ b/drivers/dma/stm32-mdma.c @@ -1579,9 +1579,11 @@ static int stm32_mdma_probe(struct platform_device *pdev) dmadev->nr_channels = nr_channels; dmadev->nr_requests = nr_requests; - device_property_read_u32_array(&pdev->dev, "st,ahb-addr-masks", + ret = device_property_read_u32_array(&pdev->dev, "st,ahb-addr-masks", dmadev->ahb_addr_masks, count); + if (ret) + return ret; dmadev->nr_ahb_addr_masks = count; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); -- 2.17.1
