linux-kernel - RE: [PATCH] Tools: hv: check return value of daemon to fix compiler warning.

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Date:	Thu, 1 Aug 2013 14:34:34 +0000
From:	KY Srinivasan <kys@...rosoft.com>
To:	Olaf Hering <olaf@...fle.de>,
	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] Tools: hv: check return value of daemon to fix compiler
 warning.



> -----Original Message-----
> From: Olaf Hering [mailto:olaf@...fle.de]
> Sent: Thursday, August 01, 2013 8:43 AM
> To: KY Srinivasan; gregkh@...uxfoundation.org
> Cc: linux-kernel@...r.kernel.org; Olaf Hering
> Subject: [PATCH] Tools: hv: check return value of daemon to fix compiler
> warning.
> 
> hv_kvp_daemon.c: In function 'main':
> hv_kvp_daemon.c:1441:8: warning: ignoring return value of 'daemon', declared
> with attribute warn_unused_result [-Wunused-result]
> 
> Signed-off-by: Olaf Hering <olaf@...fle.de>
Signed-off-by: K. Y. Srinivasan <kys@...rosoft.com>

> ---
>  tools/hv/hv_kvp_daemon.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c
> index 657c1d2..418ac55 100644
> --- a/tools/hv/hv_kvp_daemon.c
> +++ b/tools/hv/hv_kvp_daemon.c
> @@ -1439,7 +1439,8 @@ int main(void)
>  	char *kvp_recv_buffer;
>  	size_t kvp_recv_buffer_len;
> 
> -	daemon(1, 0);
> +	if (daemon(1, 0))
> +		return 1;
>  	openlog("KVP", 0, LOG_USER);
>  	syslog(LOG_INFO, "KVP starting; pid is:%d", getpid());
> 
> 
> 



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