media: pci: tw686x: no need to check 'next'

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@xs4all.nl>
Cc: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

diff --git a/drivers/media/pci/tw686x/tw686x-audio.c b/drivers/media/pci/tw686x/tw686x-audio.c
index 74cba13..1ae3845 100644 (file)
--- 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