diff mbox series

[net-next] batman-adv: Fix the wrong definition

Message ID 20211028072306.1351-1-yajun.deng@linux.dev
State Rejected, archived
Delegated to: Simon Wunderlich
Headers show
Series [net-next] batman-adv: Fix the wrong definition | expand

Commit Message

Yajun Deng Oct. 28, 2021, 7:23 a.m. UTC
There are three variables that are required at most,
no need to define four variables.

Fixes: 0fa4c30d710d ("batman-adv: Make sysfs support optional")
Signed-off-by: Yajun Deng <yajun.deng@linux.dev>
---
 net/batman-adv/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Yajun Deng Oct. 28, 2021, 7:49 a.m. UTC | #1
October 28, 2021 3:35 PM, "Antonio Quartulli" <a@unstable.cc> 写到:

> Hi,
> 
> On 28/10/2021 09:23, Yajun Deng wrote:
> 
>> There are three variables that are required at most,
>> no need to define four variables.
>> 
>> Fixes: 0fa4c30d710d ("batman-adv: Make sysfs support optional")
>> Signed-off-by: Yajun Deng <yajun.deng@linux.dev>
> 
> NAK.
> 
> kobject_uevent_env() does not know how many items are stored in the
> array and thus requires it to be NULL terminated.
> 
> Please check the following for reference:
> 
> https://elixir.bootlin.com/linux/v5.15-rc6/source/lib/kobject_uevent.c#L548
> 
Oh, I didn't notice there.
> OTOH I guess we could still use '{}' for the initialization.
> 
> Regards,
> 
> --
> Antonio Quartulli
diff mbox series

Patch

diff --git a/net/batman-adv/main.c b/net/batman-adv/main.c
index 3ddd66e4c29e..758035b3796d 100644
--- a/net/batman-adv/main.c
+++ b/net/batman-adv/main.c
@@ -656,7 +656,7 @@  int batadv_throw_uevent(struct batadv_priv *bat_priv, enum batadv_uev_type type,
 {
 	int ret = -ENOMEM;
 	struct kobject *bat_kobj;
-	char *uevent_env[4] = { NULL, NULL, NULL, NULL };
+	char *uevent_env[3] = {};
 
 	bat_kobj = &bat_priv->soft_iface->dev.kobj;