Re: [RFC 17/42] drivers/net/ethernet/renesas: don't check resourcewith devm_ioremap_resource

From: Sergei Shtylyov
Date: Sat May 11 2013 - 16:35:32 EST


Hello.

On 05/10/2013 12:17 PM, Wolfram Sang wrote:

devm_ioremap_resource does sanity checks on the given resource. No need to
duplicate this in the driver.

Signed-off-by: Wolfram Sang <wsa@xxxxxxxxxxxxx>
---
drivers/net/ethernet/renesas/sh_eth.c | 14 +-------------
1 file changed, 1 insertion(+), 13 deletions(-)

diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 33dc6f2..6175839 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -2661,14 +2661,6 @@ static int sh_eth_drv_probe(struct platform_device *pdev)
struct sh_eth_private *mdp = NULL;
struct sh_eth_plat_data *pd = pdev->dev.platform_data;
- /* get base addr */
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (unlikely(res == NULL)) {
- dev_err(&pdev->dev, "invalid resource\n");
- ret = -EINVAL;
- goto out;
- }
-
ndev = alloc_etherdev(sizeof(struct sh_eth_private));
if (!ndev) {
ret = -ENOMEM;

There's ndev->base_addr = res->start; below this which you broke. NAK.
You should really compile-test your patches.

WBR, Sergei

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