[dpdk-dev] [PATCH] service: print errors to rte log

[Van Haaren, Harry]

> -----Original Message-----
> From: Stephen Hemminger [mailto:stephen at networkplumber.org]
> Sent: Wednesday, August 21, 2019 12:33 AM
> To: Van Haaren, Harry <harry.van.haaren at intel.com>
> Cc: dev at dpdk.org; Stephen Hemminger <stephen at networkplumber.org>
> Subject: [PATCH] service: print errors to rte log
> 
> EAL should always use rte_log instead of putting errors to
> stderr (which maybe redirected to /dev/null in a daemon).
> 
> Also checks for null before rte_free are unnecessary.
> 
> Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>

Thanks - good improvements.

A few nit-picks, I'll send a v2 based on your changes here with
the below notes implemented.

I'll add my Sign-off for code changes, and Acked-by for the whole,
hope that's OK, if you'd prefer two different patches just let me know.

-H

> ---
>  lib/librte_eal/common/rte_service.c | 23 +++++++++++------------
>  1 file changed, 11 insertions(+), 12 deletions(-)
> 
> diff --git a/lib/librte_eal/common/rte_service.c
> b/lib/librte_eal/common/rte_service.c
> index c3653ebae46c..aa2f8f3ef4b1 100644
> --- a/lib/librte_eal/common/rte_service.c
> +++ b/lib/librte_eal/common/rte_service.c
> @@ -70,10 +70,12 @@ static struct rte_service_spec_impl *rte_services;
>  static struct core_state *lcore_states;
>  static uint32_t rte_service_library_initialized;
> 
> +
>  int32_t rte_service_init(void)
>  {

Added line here should really split return-value and function into
two lines. Found another instance of this, splitting that too to make
the whole file consistent.

Rest of file uses 1 line to split variable declarations and functions,
so one line will do.

<snip>

>  	if (!rte_services) {
> -		printf("error allocating rte services array\n");
> +		RTE_LOG(ERR, EAL,
> +			"error allocating rte services array\n");
>  		goto fail_mem;

Some of these "strings" can be on the same line as RTE_LOG and stay
inside the 80 char limit, moving them up a line for consistency.