linux-kernel - Re: [PATCH 44/46] Staging: hv: vmbus: Fix checkpatch warnings in connection.c

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Date:	Sat, 27 Aug 2011 23:56:52 -0700
From:	Joe Perches <joe@...ches.com>
To:	"K. Y. Srinivasan" <kys@...rosoft.com>
Cc:	gregkh@...e.de, linux-kernel@...r.kernel.org,
	devel@...uxdriverproject.org, virtualization@...ts.osdl.org,
	Haiyang Zhang <haiyangz@...rosoft.com>
Subject: Re: [PATCH 44/46] Staging: hv: vmbus: Fix checkpatch warnings in
 connection.c

On Sat, 2011-08-27 at 11:31 -0700, K. Y. Srinivasan wrote:
> Fix checkpatch warnings in connection.c.
[]
> diff --git a/drivers/staging/hv/connection.c b/drivers/staging/hv/connection.c
[]
> @@ -220,11 +220,11 @@ static void process_chn_event(u32 relid)
>  	channel = relid2channel(relid);
>  
>  	spin_lock_irqsave(&channel->inbound_lock, flags);
> -	if (channel && (channel->onchannel_callback != NULL)) {
> +	if (channel && (channel->onchannel_callback != NULL))

Useless test for channel or bad placement for spin_lock.
channel has already been dereferenced by the spin_lock.


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