| Message ID | 20210626044420.390517-2-yangyingliang@huawei.com |
|---|---|
| State | New |
| Headers | show |
| Series | fix some bugs for sparx5 | expand |
diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_main.c b/drivers/net/ethernet/microchip/sparx5/sparx5_main.c index a325f7c05a07..665e20ccb404 100644 --- a/drivers/net/ethernet/microchip/sparx5/sparx5_main.c +++ b/drivers/net/ethernet/microchip/sparx5/sparx5_main.c @@ -228,6 +228,10 @@ static int sparx5_create_targets(struct sparx5 *sparx5) for (idx = 0; idx < IO_RANGES; idx++) { iores[idx] = platform_get_resource(sparx5->pdev, IORESOURCE_MEM, idx); + if (!iores[idx]) { + dev_err(sparx5->dev, "Invalid resource\n"); + return -EINVAL; + } iomem[idx] = devm_ioremap(sparx5->dev, iores[idx]->start, iores[idx]->end - iores[idx]->start
It will cause null-ptr-deref if platform_get_resource() returns NULL, we need check the return value. Fixes: 3cfa11bac9bb ("net: sparx5: add the basic sparx5 driver") Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> --- drivers/net/ethernet/microchip/sparx5/sparx5_main.c | 4 ++++ 1 file changed, 4 insertions(+)