Re: [PATCH] selinuxfs: Fix sel_write_enforce broken return value

[Stephen Smalley]

On 03/23/2015 09:01 PM, Joe Perches wrote:
> Return a negative error value like the rest
> of the entries in this function.
> 
> Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>

Acked-by:  Stephen Smalley <sds@xxxxxxxxxxxxx>

> ---
> Maybe this should be stable, it goes back to
> commit b77a493b1dc8 ("SELinux: standardize return code
> handling in selinuxfs.c") back in Nov 2010, but it's
> guarded by a #ifdef CONFIG_SECURITY_SELINUX_DEVELOP
> so it probably doesn't matter much.

That option is enabled by most distributions that enable SELinux; it is
what enables support for permissive mode.

> 
>  security/selinux/selinuxfs.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c
> index 1684bcc..5fde343 100644
> --- a/security/selinux/selinuxfs.c
> +++ b/security/selinux/selinuxfs.c
> @@ -152,7 +152,7 @@ static ssize_t sel_write_enforce(struct file *file, const char __user *buf,
>  		goto out;
>  
>  	/* No partial writes. */
> -	length = EINVAL;
> +	length = -EINVAL;
>  	if (*ppos != 0)
>  		goto out;
>  
> 
> 
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> 
> 

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