Hello Acked-by: Pierre-Yves MORDRET <pierre-yves.mordret@xxxxxx> Regards On 12/28/18 8:26 PM, Aditya Pakki wrote: > 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); >