linux-kernel - [PATCH 9/29] sysvipc: use non-racy method for proc entries creation

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Date:	Tue,  8 Apr 2008 15:19:16 +0400
From:	"Denis V. Lunev" <den@...nvz.org>
To:	akpm@...ux-foundation.org
Cc:	linux-kernel@...r.kernel.org, "Denis V. Lunev" <den@...nvz.org>
Subject: [PATCH 9/29] sysvipc: use non-racy method for proc entries creation

Use proc_create_data() to make sure that ->proc_fops and ->data be setup
before gluing PDE to main tree.

Signed-off-by: Denis V. Lunev <den@...nvz.org>
---
 ipc/util.c |   13 ++++++-------
 1 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/ipc/util.c b/ipc/util.c
index 4c465cb..3339177 100644
--- a/ipc/util.c
+++ b/ipc/util.c
@@ -165,13 +165,12 @@ void __init ipc_init_proc_interface(const char *path, const char *header,
 	iface->ids	= ids;
 	iface->show	= show;
 
-	pde = create_proc_entry(path,
-				S_IRUGO,        /* world readable */
-				NULL            /* parent dir */);
-	if (pde) {
-		pde->data = iface;
-		pde->proc_fops = &sysvipc_proc_fops;
-	} else {
+	pde = proc_create_data(path,
+			       S_IRUGO,        /* world readable */
+			       NULL,           /* parent dir */
+			       &sysvipc_proc_fops,
+			       iface);
+	if (!pde) {
 		kfree(iface);
 	}
 }
-- 
1.5.3.rc5

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