linux-kernel - [patch] bfa: dereferencing before testing

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Message-ID: <20100807221358.GB9031@bicker>
Date:	Sun, 8 Aug 2010 00:13:58 +0200
From:	Dan Carpenter <error27@...il.com>
To:	Jing Huang <huangj@...cade.com>
Cc:	"James E.J. Bottomley" <James.Bottomley@...e.de>,
	Krishna Gudipati <kgudipat@...cade.com>,
	linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: [patch] bfa: dereferencing before testing

I moved the dereference of "port" after the check to verify it was
non-NULL.

Signed-off-by: Dan Carpenter <error27@...il.com>

diff --git a/drivers/scsi/bfa/lport_api.c b/drivers/scsi/bfa/lport_api.c
index 72b3f50..5cd356a 100644
--- a/drivers/scsi/bfa/lport_api.c
+++ b/drivers/scsi/bfa/lport_api.c
@@ -149,11 +149,12 @@ bfa_fcs_port_get_rport_max_speed(struct bfa_fcs_port_s *port)
 	enum bfa_pport_speed max_speed = 0;
 	struct bfa_pport_attr_s pport_attr;
 	enum bfa_pport_speed pport_speed, rport_speed;
-	bfa_boolean_t     trl_enabled = bfa_fcport_is_ratelim(port->fcs->bfa);
+	bfa_boolean_t trl_enabled;
 
 	if (port == NULL)
 		return 0;
 
+	trl_enabled = bfa_fcport_is_ratelim(port->fcs->bfa);
 	fcs = port->fcs;
 
 	/*
--
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