DMA_MEMSET_SG is missing the verification of having the operation set and
also a supporting function provided.
Fixes: Commit 50c7cd2bd ("dmaengine: Add scatter-gathered memset")
Signed-off-by: Dave Jiang <dave.jiang@xxxxxxxxx>
---
drivers/dma/dmaengine.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index 1c424f6..d9a71f0 100644
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -935,6 +935,8 @@ int dma_async_device_register(struct dma_device *device)
!device->device_prep_dma_pq_val);
BUG_ON(dma_has_cap(DMA_MEMSET, device->cap_mask) &&
!device->device_prep_dma_memset);
+ BUG_ON(dma_has_cap(DMA_MEMSET_SG, device->cap_mask) &&
+ !device->device_prep_dma_memset_sg);
BUG_ON(dma_has_cap(DMA_INTERRUPT, device->cap_mask) &&
!device->device_prep_dma_interrupt);
BUG_ON(dma_has_cap(DMA_SG_SG, device->cap_mask) &&
--
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