tree 67c802af524f923cf20ebcdde2220d72e539121b
parent 2b94de552e07610dfa79fc49ea49d1cfa5cd9ce8
author Jens Axboe <jens.axboe@oracle.com> 1184757488 +0200
committer Jens Axboe <jens.axboe@oracle.com> 1192525432 +0200

bio: make freeing of ->bi_io_vec conditional in bio_free()

The empty barrier patches do not carry data, so they have no
iovec attached.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>