Re: [PATCH] security: have cap_dentry_init_security return error

[Serge Hallyn]

Quoting Jeff Layton (jlayton@xxxxxxxxxx):
> Currently, cap_dentry_init_security returns 0 without actually
> initializing the security label. This confuses its only caller
> (nfs4_label_init_security) which expects an error in that situation, and
> causes it to end up sending out junk onto the wire instead of simply
> suppressing the label in the attributes sent.
> 
> When CONFIG_SECURITY is disabled, security_dentry_init_security returns
> -EOPNOTSUPP. Have cap_dentry_init_security do the same.
> 
> Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>

Acked-by: Serge E. Hallyn <serge.hallyn@xxxxxxxxxx>

> ---
>  security/capability.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/security/capability.c b/security/capability.c
> index 8b4f24ae4338..9323bbeba296 100644
> --- a/security/capability.c
> +++ b/security/capability.c
> @@ -116,7 +116,7 @@ static int cap_dentry_init_security(struct dentry *dentry, int mode,
>  					struct qstr *name, void **ctx,
>  					u32 *ctxlen)
>  {
> -	return 0;
> +	return -EOPNOTSUPP;
>  }
>  
>  static int cap_inode_alloc_security(struct inode *inode)
> -- 
> 1.8.5.3
> 
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