On Wed, Nov 19, 2025 at 03:30:00PM +0200, Leon Romanovsky wrote: > On Wed, Nov 19, 2025 at 05:54:55AM +0000, Tian, Kevin wrote: > > > From: Leon Romanovsky <[email protected]> > > > Sent: Tuesday, November 11, 2025 5:58 PM > > > + > > > + if (dma->state && dma_use_iova(dma->state)) { > > > + WARN_ON_ONCE(mapped_len != size); > > > > then "goto err_unmap_dma". > > It never should happen, there is no need to provide error unwind to > something that you won't get.
It is expected that WARN_ON has recovery code, if it is possible and not burdensome. Jason
