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From: Oleg Nesterov <oleg@redhat.com>
To: Lucas De Marchi <lucas.demarchi@profusion.mobi>
Cc: lucas.de.marchi@gmail.com, David Howells <dhowells@redhat.com>,
	James Morris <james.l.morris@oracle.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 4/7] KEYS: split call to call_usermodehelper_fns()
Date: Sat, 9 Mar 2013 21:25:37 +0100	[thread overview]
Message-ID: <20130309202537.GD16399@redhat.com> (raw)
In-Reply-To: <1362723313-839-5-git-send-email-lucas.demarchi@profusion.mobi>

On 03/08, Lucas De Marchi wrote:
>
>  static int call_usermodehelper_keys(char *path, char **argv, char **envp,
>  					struct key *session_keyring, int wait)
>  {
> -	return call_usermodehelper_fns(path, argv, envp, wait,
> -				       umh_keys_init, umh_keys_cleanup,
> -				       key_get(session_keyring));
> +	struct subprocess_info *info;
> +
> +	info = call_usermodehelper_setup(path, argv, envp, GFP_KERNEL,
> +					  umh_keys_init, umh_keys_cleanup,
> +					  key_get(session_keyring));
> +	if (!info) {
> +		key_put(session_keyring);
> +		return -ENOMEM;
> +	}
> +
> +	return call_usermodehelper_exec(info, wait);

Looks correct, but can't we simpluify it a bit?

	info = call_usermodehelper_setup(session_keyring);
	if (!info)
		return ENOMEM;

	key_get(session_keyring));
	return call_usermodehelper_exec(info);

Oleg.


  reply	other threads:[~2013-03-09 20:27 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-08  6:15 [PATCH v2 0/7] kmod/usermodehelper changes Lucas De Marchi
2013-03-08  6:15 ` [PATCH v2 1/7] kernel/sys.c: Use the simpler call_usermodehelper() Lucas De Marchi
2013-03-09 20:17   ` Oleg Nesterov
2013-03-08  6:15 ` [PATCH v2 2/7] usermodehelper: Export _exec() and _setup() functions Lucas De Marchi
2013-03-09 20:21   ` Oleg Nesterov
2013-03-08  6:15 ` [PATCH v2 3/7] kmod: split call to call_usermodehelper_fns() Lucas De Marchi
2013-03-09 20:23   ` Oleg Nesterov
2013-03-09 23:54     ` Lucas De Marchi
2013-03-08  6:15 ` [PATCH v2 4/7] KEYS: " Lucas De Marchi
2013-03-09 20:25   ` Oleg Nesterov [this message]
2013-03-09 23:55     ` Lucas De Marchi
2013-03-25 12:55     ` David Howells
2013-03-25 13:11       ` Lucas De Marchi
2013-03-08  6:15 ` [PATCH v2 5/7] coredump: remove trailling whitespaces Lucas De Marchi
2013-03-08  6:15 ` [PATCH v2 6/7] Split remaining calls to call_usermodehelper_fns() Lucas De Marchi
2013-03-09 20:42   ` Oleg Nesterov
2013-03-09 23:57     ` Lucas De Marchi
2013-03-08  6:15 ` [PATCH v2 7/7] kmod: remove call_usermodehelper_fns() Lucas De Marchi

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