linux-kernel - [PATCH 04/12] staging: lustre: ldlm: check all errors during ldlm_debugfs

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Message-Id: <1461807441-3210-5-git-send-email-jsimmons@infradead.org>
Date:	Wed, 27 Apr 2016 21:37:13 -0400
From:	James Simmons <jsimmons@...radead.org>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	devel@...verdev.osuosl.org,
	Andreas Dilger <andreas.dilger@...el.com>,
	Oleg Drokin <oleg.drokin@...el.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Lustre Development List <lustre-devel@...ts.lustre.org>,
	Dmitry Eremin <dmitry.eremin@...el.com>,
	James Simmons <jsimmons@...radead.org>
Subject: [PATCH 04/12] staging: lustre: ldlm: check all errors during ldlm_debugfs_setup()

From: Dmitry Eremin <dmitry.eremin@...el.com>

Fix ignoring errors from ldebugfs_add_vars() function.

Signed-off-by: Dmitry Eremin <dmitry.eremin@...el.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3885
Reviewed-on: http://review.whamcloud.com/8115
Reviewed-by: John L. Hammond <john.hammond@...el.com>
Reviewed-by: Andreas Dilger <andreas.dilger@...el.com>
Signed-off-by: James Simmons <jsimmons@...radead.org>
---
 drivers/staging/lustre/lustre/ldlm/ldlm_resource.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_resource.c b/drivers/staging/lustre/lustre/ldlm/ldlm_resource.c
index 475fabb..e99c89c 100644
--- a/drivers/staging/lustre/lustre/ldlm/ldlm_resource.c
+++ b/drivers/staging/lustre/lustre/ldlm/ldlm_resource.c
@@ -124,9 +124,15 @@ int ldlm_debugfs_setup(void)
 	}
 
 	rc = ldebugfs_add_vars(ldlm_debugfs_dir, ldlm_debugfs_list, NULL);
+	if (rc) {
+		CERROR("LProcFS failed in ldlm-init\n");
+		goto err_svc;
+	}
 
 	return 0;
 
+err_svc:
+	ldebugfs_remove(&ldlm_svc_debugfs_dir);
 err_ns:
 	ldebugfs_remove(&ldlm_ns_debugfs_dir);
 err_type:
-- 
2.7.4