linux-kernel - [ 18/23] pnfs-obj: dont leak objio_state if ore

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Message-Id: <20120726211407.519257798@linuxfoundation.org>
Date:	Thu, 26 Jul 2012 14:19:57 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	Greg KH <gregkh@...uxfoundation.org>,
	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk, Boaz Harrosh <bharrosh@...asas.com>
Subject: [ 18/23] pnfs-obj: dont leak objio_state if ore_write/read fails

From: Greg KH <gregkh@...uxfoundation.org>

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

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

From: Boaz Harrosh <bharrosh@...asas.com>

commit 9909d45a8557455ca5f8ee7af0f253debc851f1a upstream.

[Bug since 3.2 Kernel]
Signed-off-by: Boaz Harrosh <bharrosh@...asas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 fs/nfs/objlayout/objio_osd.c |    9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

--- a/fs/nfs/objlayout/objio_osd.c
+++ b/fs/nfs/objlayout/objio_osd.c
@@ -453,7 +453,10 @@ int objio_read_pagelist(struct nfs_read_
 	objios->ios->done = _read_done;
 	dprintk("%s: offset=0x%llx length=0x%x\n", __func__,
 		rdata->args.offset, rdata->args.count);
-	return ore_read(objios->ios);
+	ret = ore_read(objios->ios);
+	if (unlikely(ret))
+		objio_free_result(&objios->oir);
+	return ret;
 }
 
 /*
@@ -537,8 +540,10 @@ int objio_write_pagelist(struct nfs_writ
 	dprintk("%s: offset=0x%llx length=0x%x\n", __func__,
 		wdata->args.offset, wdata->args.count);
 	ret = ore_write(objios->ios);
-	if (unlikely(ret))
+	if (unlikely(ret)) {
+		objio_free_result(&objios->oir);
 		return ret;
+	}
 
 	if (objios->sync)
 		_write_done(objios->ios, objios);


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