linux-kernel - [PATCH 26/48] staging/lustre/osc: Check return code for lu_kmem

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Date:	Tue, 23 Jul 2013 00:06:47 +0800
From:	Peng Tao <bergwolf@...il.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	linux-kernel@...r.kernel.org,
	Keith Mannthey <keith.mannthey@...el.com>,
	Peng Tao <tao.peng@....com>,
	Andreas Dilger <andreas.dilger@...el.com>
Subject: [PATCH 26/48] staging/lustre/osc: Check return code for lu_kmem_init

From: Keith Mannthey <keith.mannthey@...el.com>

lu_kmem_init can fail and returns has a return code.
Check for this return code in lu_kmem_init.

This issue was found during 2gb VM Racer testing

Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3063
Lustre-change: http://review.whamcloud.com/6514
Signed-off-by: Keith Mannthey <keith.mannthey@...el.com>
Reviewed-by: Mike Pershin <mike.pershin@...el.com>
Reviewed-by: Nathaniel Clark <nathaniel.l.clark@...el.com>
Reviewed-by: Bob Glossman <bob.glossman@...el.com>
Reviewed-by: Oleg Drokin <oleg.drokin@...el.com>
Signed-off-by: Peng Tao <tao.peng@....com>
Signed-off-by: Andreas Dilger <andreas.dilger@...el.com>
---
 drivers/staging/lustre/lustre/osc/osc_request.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/staging/lustre/lustre/osc/osc_request.c b/drivers/staging/lustre/lustre/osc/osc_request.c
index 0c0e07b..fea04ca 100644
--- a/drivers/staging/lustre/lustre/osc/osc_request.c
+++ b/drivers/staging/lustre/lustre/osc/osc_request.c
@@ -3681,6 +3681,8 @@ int __init osc_init(void)
 	CDEBUG(D_INFO, "Lustre OSC module (%p).\n", &osc_caches);
 
 	rc = lu_kmem_init(osc_caches);
+	if (rc)
+		RETURN(rc);
 
 	lprocfs_osc_init_vars(&lvars);
 
-- 
1.7.9.5

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