Message ID | 1448612982-28141-2-git-send-email-peter.ujfalusi@ti.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c index daf54a39bcc7..52c3eee48e2e 100644 --- a/drivers/dma/dmaengine.c +++ b/drivers/dma/dmaengine.c @@ -184,6 +184,9 @@ __dma_device_satisfies_mask(struct dma_device *device, { dma_cap_mask_t has; + if (!want) + return true; + bitmap_and(has.bits, want->bits, device->cap_mask.bits, DMA_TX_TYPE_END); return bitmap_equal(want->bits, has.bits, DMA_TX_TYPE_END);
Treat as true condition the case when the mask is NULL. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> --- drivers/dma/dmaengine.c | 3 +++ 1 file changed, 3 insertions(+)