linux-kernel - [ 031/135] fuse: fix retrieve length

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Date:	Mon, 17 Sep 2012 01:36:56 +0100
From:	Ben Hutchings <ben@...adent.org.uk>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk, Miklos Szeredi <mszeredi@...e.cz>
Subject: [ 031/135] fuse: fix retrieve length

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

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

From: Miklos Szeredi <mszeredi@...e.cz>

commit c9e67d483776d8d2a5f3f70491161b205930ffe1 upstream.

In some cases fuse_retrieve() would return a short byte count if offset was
non-zero.  The data returned was correct, though.

Signed-off-by: Miklos Szeredi <mszeredi@...e.cz>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 fs/fuse/dev.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 7df2b5e..f4246cf 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -1576,6 +1576,7 @@ static int fuse_retrieve(struct fuse_conn *fc, struct inode *inode,
 		req->pages[req->num_pages] = page;
 		req->num_pages++;
 
+		offset = 0;
 		num -= this_num;
 		total_len += this_num;
 		index++;


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