fuse: fix retrieve length
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@suse.cz> Cc: stable@vger.kernel.org
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@ -1576,6 +1576,7 @@ static int fuse_retrieve(struct fuse_conn *fc, struct inode *inode,
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req->pages[req->num_pages] = page;
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req->num_pages++;
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offset = 0;
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num -= this_num;
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total_len += this_num;
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index++;
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