The AIO cancel call-back doesn't do anything. Removed it.
Cc: Matt Sickler <matt.sickler@xxxxxxxxxxxxxx>
Signed-off-by: Jeremy Sowden <jeremy@xxxxxxxxxx>
---
drivers/staging/kpc2000/kpc_dma/fileops.c | 14 --------------
1 file changed, 14 deletions(-)
diff --git a/drivers/staging/kpc2000/kpc_dma/fileops.c b/drivers/staging/kpc2000/kpc_dma/fileops.c
index 1e8f8c41f82a..a738e553ddc4 100644
--- a/drivers/staging/kpc2000/kpc_dma/fileops.c
+++ b/drivers/staging/kpc2000/kpc_dma/fileops.c
@@ -310,16 +310,6 @@ int kpc_dma_close(struct inode *inode, struct file *filp)
}
#ifdef CONFIG_KPC2000_DMA_AIO
-static int kpc_dma_aio_cancel(struct kiocb *kcb)
-{
- struct dev_private_data *priv = kcb->ki_filp->private_data;
-
- dev_dbg(&priv->ldev->pldev->dev,
- "%s(kcb = [%p]) priv = [%p], ldev = [%p]\n",
- __func__, kcb, priv, priv->ldev);
- return 0;
-}
-
static ssize_t kpc_dma_read_iter(struct kiocb *kcb, struct iov_iter *to)
{
struct dev_private_data *priv = kcb->ki_filp->private_data;
@@ -339,8 +329,6 @@ static ssize_t kpc_dma_read_iter(struct kiocb *kcb, struct iov_iter *to)
iov = iov_iter_iovec(to);
- if (!is_sync_kiocb(kcb))
- kiocb_set_cancel_fn(kcb, kpc_dma_aio_cancel);
return kpc_dma_transfer(priv, kcb, (unsigned long)iov.iov_base,
iov.iov_len);
}
@@ -364,8 +352,6 @@ static ssize_t kpc_dma_write_iter(struct kiocb *kcb, struct iov_iter *from)
iov = iov_iter_iovec(from);
- if (!is_sync_kiocb(kcb))
- kiocb_set_cancel_fn(kcb, kpc_dma_aio_cancel);
return kpc_dma_transfer(priv, kcb, (unsigned long)iov.iov_base,
iov.iov_len);
}
--
2.20.1
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