On 8/10/2017 11:54 AM, Anton Vasilyev wrote: > If device_node np doesn't contain child or first child doesn't have > property "reg" then hidma_mgmt_of_populate_channels() perfoms > deallocation on uninitialized local variable res. > > The patch adds res initialization by NULL. > > Found by Linux Driver Verification project (linuxtesting.org). > > Signed-off-by: Anton Vasilyev <vasilyev@xxxxxxxxx> > --- > drivers/dma/qcom/hidma_mgmt.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/dma/qcom/hidma_mgmt.c b/drivers/dma/qcom/hidma_mgmt.c > index 5a0991b..89e36e3 100644 > --- a/drivers/dma/qcom/hidma_mgmt.c > +++ b/drivers/dma/qcom/hidma_mgmt.c > @@ -354,7 +354,7 @@ static int __init hidma_mgmt_of_populate_channels(struct device_node *np) > struct platform_device_info pdevinfo; > struct of_phandle_args out_irq; > struct device_node *child; > - struct resource *res; > + struct resource *res = NULL; > const __be32 *cell; > int ret = 0, size, i, num; > u64 addr, addr_size; > Reviewed-by: Sinan Kaya <okaya@xxxxxxxxxxxxxx> -- Sinan Kaya Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc. Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project. -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
