diff mbox series

net: bcmgenet: Fix a resource leak in an error handling path in the probe functin

Message ID 20201212182005.120437-1-christophe.jaillet@wanadoo.fr (mailing list archive)
State Accepted
Commit 4375ada01963d1ebf733d60d1bb6e5db401e1ac6
Delegated to: Netdev Maintainers
Headers show
Series net: bcmgenet: Fix a resource leak in an error handling path in the probe functin | expand

Checks

Context Check Description
netdev/cover_letter success Link
netdev/fixes_present success Link
netdev/patch_count success Link
netdev/tree_selection success Guessed tree name to be net-next
netdev/subject_prefix warning Target tree name not specified in the subject
netdev/source_inline success Was 0 now: 0
netdev/verify_signedoff success Link
netdev/module_param success Was 0 now: 0
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/verify_fixes success Link
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 11 lines checked
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/header_inline success Link
netdev/stable success Stable not CCed

Commit Message

Christophe JAILLET Dec. 12, 2020, 6:20 p.m. UTC
If the 'register_netdev()' call fails, we must undo a previous
'bcmgenet_mii_init()' call.

Fixes: 1c1008c793fa ("net: bcmgenet: add main driver file")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
---
The missing 'bcmgenet_mii_exit()' call is added here, instead of in the
error handling path in order to avoid some goto spaghetti code.
---
 drivers/net/ethernet/broadcom/genet/bcmgenet.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

Comments

Florian Fainelli Dec. 12, 2020, 11:05 p.m. UTC | #1
On 12/12/2020 10:20 AM, Christophe JAILLET wrote:
> If the 'register_netdev()' call fails, we must undo a previous
> 'bcmgenet_mii_init()' call.
> 
> Fixes: 1c1008c793fa ("net: bcmgenet: add main driver file")> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>

Acked-by: Florian Fainelli <f.fainelli@gmail.com>

> ---
> The missing 'bcmgenet_mii_exit()' call is added here, instead of in the
> error handling path in order to avoid some goto spaghetti code.

Yes that makes sense, thanks!
patchwork-bot+netdevbpf@kernel.org Dec. 16, 2020, 7:10 p.m. UTC | #2
Hello:

This patch was applied to netdev/net.git (refs/heads/master):

On Sat, 12 Dec 2020 19:20:05 +0100 you wrote:
> If the 'register_netdev()' call fails, we must undo a previous
> 'bcmgenet_mii_init()' call.
> 
> Fixes: 1c1008c793fa ("net: bcmgenet: add main driver file")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
> ---
> The missing 'bcmgenet_mii_exit()' call is added here, instead of in the
> error handling path in order to avoid some goto spaghetti code.
> 
> [...]

Here is the summary with links:
  - net: bcmgenet: Fix a resource leak in an error handling path in the probe functin
    https://git.kernel.org/netdev/net/c/4375ada01963

You are awesome, thank you!
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diff mbox series

Patch

diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index be85dad2e3bc..fcca023f22e5 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -4069,8 +4069,10 @@  static int bcmgenet_probe(struct platform_device *pdev)
 	clk_disable_unprepare(priv->clk);
 
 	err = register_netdev(dev);
-	if (err)
+	if (err) {
+		bcmgenet_mii_exit(dev);
 		goto err;
+	}
 
 	return err;