From: Hans Verkuil Date: Sat, 18 Aug 2007 14:36:09 +0000 (-0300) Subject: V4L/DVB (6043): ivtv: fix incorrect round-robin implementation X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=33bc4dea0ece371ccadbac8bf90fd0b8e2803f06;p=deliverable%2Flinux.git V4L/DVB (6043): ivtv: fix incorrect round-robin implementation Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/video/ivtv/ivtv-irq.c b/drivers/media/video/ivtv/ivtv-irq.c index 88c6f4ff5c6d..a97d55fd2277 100644 --- a/drivers/media/video/ivtv/ivtv-irq.c +++ b/drivers/media/video/ivtv/ivtv-irq.c @@ -859,8 +859,9 @@ irqreturn_t ivtv_irq_handler(int irq, void *dev_id) } if ((combo & IVTV_IRQ_DMA) && !test_bit(IVTV_F_I_DMA, &itv->i_flags)) { + itv->irq_rr_idx++; for (i = 0; i < IVTV_MAX_STREAMS; i++) { - int idx = (i + itv->irq_rr_idx++) % IVTV_MAX_STREAMS; + int idx = (i + itv->irq_rr_idx) % IVTV_MAX_STREAMS; struct ivtv_stream *s = &itv->streams[idx]; if (!test_and_clear_bit(IVTV_F_S_DMA_PENDING, &s->s_flags)) @@ -877,8 +878,9 @@ irqreturn_t ivtv_irq_handler(int irq, void *dev_id) } if ((combo & IVTV_IRQ_DMA) && !test_bit(IVTV_F_I_PIO, &itv->i_flags)) { + itv->irq_rr_idx++; for (i = 0; i < IVTV_MAX_STREAMS; i++) { - int idx = (i + itv->irq_rr_idx++) % IVTV_MAX_STREAMS; + int idx = (i + itv->irq_rr_idx) % IVTV_MAX_STREAMS; struct ivtv_stream *s = &itv->streams[idx]; if (!test_and_clear_bit(IVTV_F_S_PIO_PENDING, &s->s_flags))