linux-kernel - [PATCH 1/2] staging: lustre: obdclass: Fix error handling

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Date:   Sun,  6 Nov 2016 18:11:10 +0100
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     oleg.drokin@...el.com, andreas.dilger@...el.com,
        jsimmons@...radead.org, gregkh@...uxfoundation.org,
        emoly.liu@...el.com
Cc:     lustre-devel@...ts.lustre.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: [PATCH 1/2] staging: lustre: obdclass: Fix error handling

'lustre_cfg_new()' does not return NULL but ERR_PTR(-ENOMEM)
So IS_ERR should be used to check the return value.

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/staging/lustre/lustre/obdclass/obd_config.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/lustre/lustre/obdclass/obd_config.c b/drivers/staging/lustre/lustre/obdclass/obd_config.c
index bbed1b72d52e..0e922c5f8b33 100644
--- a/drivers/staging/lustre/lustre/obdclass/obd_config.c
+++ b/drivers/staging/lustre/lustre/obdclass/obd_config.c
@@ -1382,8 +1382,8 @@ int class_manual_cleanup(struct obd_device *obd)
 	lustre_cfg_bufs_reset(&bufs, obd->obd_name);
 	lustre_cfg_bufs_set_string(&bufs, 1, flags);
 	lcfg = lustre_cfg_new(LCFG_CLEANUP, &bufs);
-	if (!lcfg)
-		return -ENOMEM;
+	if (IS_ERR(lcfg))
+		return PTR_ERR(lcfg);
 
 	rc = class_process_config(lcfg);
 	if (rc) {
-- 
2.9.3