If 'done' is not NULL, then next can never be NULL, so just drop the 'next' check. This fixes this smatch warning: drivers/media/pci/tw686x/tw686x-audio.c:62 tw686x_audio_irq() warn: can 'next' even be NULL? Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx> Cc: Ezequiel Garcia <ezequiel@xxxxxxxxxxxxxxxxxxxx> --- drivers/media/pci/tw686x/tw686x-audio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/pci/tw686x/tw686x-audio.c b/drivers/media/pci/tw686x/tw686x-audio.c index 74cba1368cfa..1ae3845b6743 100644 --- a/drivers/media/pci/tw686x/tw686x-audio.c +++ b/drivers/media/pci/tw686x/tw686x-audio.c @@ -59,7 +59,7 @@ void tw686x_audio_irq(struct tw686x_dev *dev, unsigned long requests, } spin_unlock_irqrestore(&ac->lock, flags); - if (!done || !next) + if (!done) continue; /* * Checking for a non-nil dma_desc[pb]->virt buffer is -- 2.39.2