linux-kernel - [PATCH 2/16] fs/hfsplus/bnode.c: use WARN

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Message-Id: <1351940317-14812-3-git-send-email-Julia.Lawall@lip6.fr>
Date:	Sat,  3 Nov 2012 11:58:23 +0100
From:	Julia Lawall <Julia.Lawall@...6.fr>
To:	linux-kernel@...r.kernel.org
Cc:	kernel-janitors@...r.kernel.org
Subject: [PATCH 2/16] fs/hfsplus/bnode.c: use WARN

From: Julia Lawall <Julia.Lawall@...6.fr>

Use WARN rather than printk followed by WARN_ON(1), for conciseness.

A simplified version of the semantic patch that makes this transformation
is as follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
expression list es;
@@

-printk(
+WARN(1,
  es);
-WARN_ON(1);
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr>

---
 fs/hfsplus/bnode.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/hfsplus/bnode.c b/fs/hfsplus/bnode.c
index 5c125ce..7a92c2c 100644
--- a/fs/hfsplus/bnode.c
+++ b/fs/hfsplus/bnode.c
@@ -588,8 +588,7 @@ struct hfs_bnode *hfs_bnode_create(struct hfs_btree *tree, u32 num)
 	node = hfs_bnode_findhash(tree, num);
 	spin_unlock(&tree->hash_lock);
 	if (node) {
-		printk(KERN_CRIT "new node %u already hashed?\n", num);
-		WARN_ON(1);
+		WARN(1, KERN_CRIT "new node %u already hashed?\n", num);
 		return node;
 	}
 	node = __hfs_bnode_create(tree, num);

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