It is unnecessary to call spin_lock_bh() for that you are already in a taselet. Signed-off-by: Yunbo Yu <yuyunbo519@xxxxxxxxx> --- drivers/dma/mv_xor_v2.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/dma/mv_xor_v2.c b/drivers/dma/mv_xor_v2.c index 9c8b4084ba2f..f10b29034da1 100644 --- a/drivers/dma/mv_xor_v2.c +++ b/drivers/dma/mv_xor_v2.c @@ -591,14 +591,14 @@ static void mv_xor_v2_tasklet(struct tasklet_struct *t) dma_run_dependencies(&next_pending_sw_desc->async_tx); /* Lock the channel */ - spin_lock_bh(&xor_dev->lock); + spin_lock(&xor_dev->lock); /* add the SW descriptor to the free descriptors list */ list_add(&next_pending_sw_desc->free_list, &xor_dev->free_sw_desc); /* Release the channel */ - spin_unlock_bh(&xor_dev->lock); + spin_unlock(&xor_dev->lock); /* increment the next descriptor */ pending_ptr++; -- 2.25.1
