linux-kernel - [patch] sbp-target: checking for NULL instead of IS

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Message-ID: <20160302100912.GD5533@mwanda>
Date:	Wed, 2 Mar 2016 13:09:12 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Chris Boot <bootc@...tc.net>,
	"Nicholas A. Bellinger" <nab@...ux-iscsi.org>
Cc:	target-devel@...r.kernel.org,
	linux1394-devel@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: [patch] sbp-target: checking for NULL instead of IS_ERR

We changed this from kzalloc to sbp_mgt_get_req() so we need to change
from checking for NULL to check for error pointers.

Fixes: c064b2a78989 ('sbp-target: Conversion to percpu_ida tag pre-allocation')
Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>

diff --git a/drivers/target/sbp/sbp_target.c b/drivers/target/sbp/sbp_target.c
index 251d532..a04b0605f 100644
--- a/drivers/target/sbp/sbp_target.c
+++ b/drivers/target/sbp/sbp_target.c
@@ -951,7 +951,7 @@ static void tgt_agent_fetch_work(struct work_struct *work)
 
 	while (next_orb && tgt_agent_check_active(agent)) {
 		req = sbp_mgt_get_req(sess, sess->card, next_orb);
-		if (!req) {
+		if (IS_ERR(req)) {
 			spin_lock_bh(&agent->lock);
 			agent->state = AGENT_STATE_DEAD;
 			spin_unlock_bh(&agent->lock);