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From: Sasha Khapyorsky <sashak-smomgflXvOZWk0Htik3J/w@public.gmane.org>
To: kliteyn-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org
Cc: Linux RDMA <linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH] opensm/osm_trap_rcv.c: fix possible core dump
Date: Tue, 7 Sep 2010 22:58:01 +0300	[thread overview]
Message-ID: <20100907195801.GL11502@me> (raw)
In-Reply-To: <4C8651CF.2080807-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org>

On 17:53 Tue 07 Sep     , Yevgeny Kliteynik wrote:
> Handle the case when source physical port
> for trap 145 wasn't found.
> 
> Signed-off-by: Yevgeny Kliteynik <kliteyn-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
> ---
>  opensm/opensm/osm_trap_rcv.c |   14 ++++++++++----
>  1 files changed, 10 insertions(+), 4 deletions(-)
> 
> diff --git a/opensm/opensm/osm_trap_rcv.c b/opensm/opensm/osm_trap_rcv.c
> index 500632c..9f39644 100644
> --- a/opensm/opensm/osm_trap_rcv.c
> +++ b/opensm/opensm/osm_trap_rcv.c
> @@ -510,10 +510,16 @@ static void trap_rcv_process_request(IN osm_sm_t * sm,
>  				"ERR 3812: No physical port found for "
>  				"trap 144: \"node description update\"\n");
>  		goto check_sweep;
> -	} else if (cl_ntoh16(p_ntci->g_or_v.generic.trap_num) == 145)
> -		/* this assumes that trap 145 content is not broken? */
> -		p_physp->p_node->node_info.sys_guid =
> -			p_ntci->data_details.ntc_145.new_sys_guid;
> +	} else if (cl_ntoh16(p_ntci->g_or_v.generic.trap_num) == 145) {
> +		if (p_physp)
> +			/* this assumes that trap 145 content is not broken? */
> +			p_physp->p_node->node_info.sys_guid =
> +				p_ntci->data_details.ntc_145.new_sys_guid;
> +		else
> +			OSM_LOG(sm->p_log, OSM_LOG_ERROR,
> +				"ERR 3813: No physical port found for "
> +				"trap 145: \"SystemImageGUID update\"\n");
> +	}

Wouldn't it be better to make such check for all traps and not
separately for selected values?

Sasha

> 
>  check_sweep:
>  	/* do a sweep if we received a trap */
> -- 
> 1.6.2.4
> 
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  parent reply	other threads:[~2010-09-07 19:58 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-09-07 14:53 [PATCH] opensm/osm_trap_rcv.c: fix possible core dump Yevgeny Kliteynik
     [not found] ` <4C8651CF.2080807-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org>
2010-09-07 19:58   ` Sasha Khapyorsky [this message]
2010-09-12 10:06     ` Yevgeny Kliteynik
2010-11-30 16:18   ` Sasha Khapyorsky

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