> From: Markus Elfring <[email protected]>
> Date: Tue, 18 Nov 2014 15:42:43 +0100
> 
> The sysctl_head_finish() function was called in an inefficient way by the
> implementation of the proc_sys_lookup() function in case of a lookup failure.
> The corresponding source code was improved by deletion of an unnecessary
> null pointer check and a few adjustments for jump labels.
> 
> Signed-off-by: Markus Elfring <[email protected]>
> ---
>  fs/proc/proc_sysctl.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
> index f92d5dd..6606aaf 100644
> --- a/fs/proc/proc_sysctl.c
> +++ b/fs/proc/proc_sysctl.c
> @@ -457,21 +457,21 @@ static struct dentry *proc_sys_lookup(struct inode 
> *dir, struct dentry *dentry,
>               ret = sysctl_follow_link(&h, &p, current->nsproxy);
>               err = ERR_PTR(ret);
>               if (ret)
> -                     goto out;
> +                     goto inode_failure;
>       }
>  
>       err = ERR_PTR(-ENOMEM);
>       inode = proc_sys_make_inode(dir->i_sb, h ? h : head, p);
>       if (!inode)
> -             goto out;
> +             goto inode_failure;
>  
>       err = NULL;
>       d_set_d_op(dentry, &proc_sys_dentry_operations);
>       d_add(dentry, inode);
>  
> +inode_failure:
> +     sysctl_head_finish(h);
>  out:
> -     if (h)
> -             sysctl_head_finish(h);
>       sysctl_head_finish(head);
>       return err;
>  }
> 

Would anybody like to integrate this update suggestion
into a source code repository?

Regards,
Markus
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to