linux-kernel - [ 01/56] UBIFS: fix compilation warning

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Date:	Fri, 30 Nov 2012 10:54:53 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	alan@...rguk.ukuu.org.uk,
	Alexandre Pereira da Silva <aletes.xgr@...il.com>,
	Artem Bityutskiy <artem.bityutskiy@...ux.intel.com>
Subject: [ 01/56] UBIFS: fix compilation warning

3.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alexandre Pereira da Silva <aletes.xgr@...il.com>

commit 782759b9f5f5223e0962af60c3457c912fab755f upstream.

Fix the following compilation warning:

fs/ubifs/dir.c: In function 'ubifs_rename':
fs/ubifs/dir.c:972:15: warning: 'saved_nlink' may be used uninitialized
in this function

Use the 'uninitialized_var()' macro to get rid of this false-positive.

Artem: massaged the patch a bit.

Signed-off-by: Alexandre Pereira da Silva <aletes.xgr@...il.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@...ux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 fs/ubifs/dir.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/ubifs/dir.c
+++ b/fs/ubifs/dir.c
@@ -977,7 +977,7 @@ static int ubifs_rename(struct inode *ol
 	struct ubifs_budget_req ino_req = { .dirtied_ino = 1,
 			.dirtied_ino_d = ALIGN(old_inode_ui->data_len, 8) };
 	struct timespec time;
-	unsigned int saved_nlink;
+	unsigned int uninitialized_var(saved_nlink);
 
 	/*
 	 * Budget request settings: deletion direntry, new direntry, removing


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