diff options
| -rw-r--r-- | fs/btrfs/send.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c index 597ecea550ed..8c3ca4a5d923 100644 --- a/fs/btrfs/send.c +++ b/fs/btrfs/send.c @@ -776,7 +776,12 @@ static int begin_cmd(struct send_ctx *sctx, int cmd) if (WARN_ON(!sctx->send_buf)) return -EINVAL; - BUG_ON(sctx->send_size); + if (unlikely(sctx->send_size != 0)) { + btrfs_err(sctx->send_root->fs_info, + "send: command header buffer not empty cmd %d offset %llu", + cmd, sctx->send_off); + return -EINVAL; + } sctx->send_size += sizeof(*hdr); hdr = (struct btrfs_cmd_header *)sctx->send_buf; |