From 1b2782c8ed24db03ad49942fa37c9f196b7c4af3 Mon Sep 17 00:00:00 2001 From: David Sterba Date: Tue, 25 Feb 2014 19:32:59 +0100 Subject: [PATCH] btrfs: send: fix old buffer length in fs_path_ensure_buf In "btrfs: send: lower memory requirements in common case" the code to save the old_buf_len was incorrectly moved to a wrong place and broke the original logic. Reported-by: Filipe David Manana Signed-off-by: David Sterba Reviewed-by: Filipe David Manana Signed-off-by: Josef Bacik --- fs/btrfs/send.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c index 298e25de13ab..246df8513c8a 100644 --- a/fs/btrfs/send.c +++ b/fs/btrfs/send.c @@ -346,6 +346,9 @@ static int fs_path_ensure_buf(struct fs_path *p, int len) if (p->buf_len >= len) return 0; + path_len = p->end - p->start; + old_buf_len = p->buf_len; + /* * First time the inline_buf does not suffice */ @@ -368,9 +371,6 @@ static int fs_path_ensure_buf(struct fs_path *p, int len) p->buf_len = ksize(p->buf); } - path_len = p->end - p->start; - old_buf_len = p->buf_len; - if (p->reversed) { tmp_buf = p->buf + old_buf_len - path_len - 1; p->end = p->buf + p->buf_len - 1; -- 2.20.1