[PATCH net-next] net: lan966x: fix a IS_ERR() vs NULL check in lan966x_create_targets()

Subsystems: microchip lan966x ethernet driver, networking drivers, the rest

STALE1769d

3 messages, 3 authors, 2021-12-03 · open the first message on its own page

[PATCH net-next] net: lan966x: fix a IS_ERR() vs NULL check in lan966x_create_targets()

From: Dan Carpenter <hidden>
Date: 2021-12-03 09:55:54

The devm_ioremap() function does not return error pointers.  It returns
NULL.

Fixes: db8bcaad5393 ("net: lan966x: add the basic lan966x driver")
Signed-off-by: Dan Carpenter <redacted>
---
 drivers/net/ethernet/microchip/lan966x/lan966x_main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_main.c b/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
index e9e4dca6542d..00930d81521a 100644
--- a/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
+++ b/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
@@ -83,10 +83,10 @@ static int lan966x_create_targets(struct platform_device *pdev,
 		begin[idx] = devm_ioremap(&pdev->dev,
 					  iores[idx]->start,
 					  resource_size(iores[idx]));
-		if (IS_ERR(begin[idx])) {
+		if (!begin[idx]) {
 			dev_err(&pdev->dev, "Unable to get registers: %s\n",
 				iores[idx]->name);
-			return PTR_ERR(begin[idx]);
+			return -ENOMEM;
 		}
 	}
 
-- 
2.20.1

Re: [PATCH net-next] net: lan966x: fix a IS_ERR() vs NULL check in lan966x_create_targets()

From: Horatiu Vultur <horatiu.vultur@microchip.com>
Date: 2021-12-03 12:51:57

The 12/03/2021 12:55, Dan Carpenter wrote:
The devm_ioremap() function does not return error pointers.  It returns
NULL.
Reviewed-by: Horatiu Vultur <horatiu.vultur@microchip.com>
quoted hunk
Fixes: db8bcaad5393 ("net: lan966x: add the basic lan966x driver")
Signed-off-by: Dan Carpenter <redacted>
---
 drivers/net/ethernet/microchip/lan966x/lan966x_main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_main.c b/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
index e9e4dca6542d..00930d81521a 100644
--- a/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
+++ b/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
@@ -83,10 +83,10 @@ static int lan966x_create_targets(struct platform_device *pdev,
                begin[idx] = devm_ioremap(&pdev->dev,
                                          iores[idx]->start,
                                          resource_size(iores[idx]));
-               if (IS_ERR(begin[idx])) {
+               if (!begin[idx]) {
                        dev_err(&pdev->dev, "Unable to get registers: %s\n",
                                iores[idx]->name);
-                       return PTR_ERR(begin[idx]);
+                       return -ENOMEM;
                }
        }

--
2.20.1
-- 
/Horatiu

Re: [PATCH net-next] net: lan966x: fix a IS_ERR() vs NULL check in lan966x_create_targets()

From: patchwork-bot+netdevbpf@kernel.org
Date: 2021-12-03 14:30:17

Hello:

This patch was applied to netdev/net-next.git (master)
by David S. Miller [off-list ref]:

On Fri, 3 Dec 2021 12:55:31 +0300 you wrote:
The devm_ioremap() function does not return error pointers.  It returns
NULL.

Fixes: db8bcaad5393 ("net: lan966x: add the basic lan966x driver")
Signed-off-by: Dan Carpenter <redacted>
---
 drivers/net/ethernet/microchip/lan966x/lan966x_main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
Here is the summary with links:
  - [net-next] net: lan966x: fix a IS_ERR() vs NULL check in lan966x_create_targets()
    https://git.kernel.org/netdev/net-next/c/bb14bfc7eb92

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html

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