提交 ec105a42 编写于 作者: H Hans Verkuil 提交者: Mauro Carvalho Chehab

V4L/DVB (11674): ivtv: fix incorrect bit tests

Found the coccinelle tool.

Thanks-to: Julia Lawall <julia@diku.dk>
Signed-off-by: NHans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>
上级 7564f67d
......@@ -180,7 +180,7 @@ int ivtv_set_speed(struct ivtv *itv, int speed)
/* Wait for any DMA to finish */
prepare_to_wait(&itv->dma_waitq, &wait, TASK_INTERRUPTIBLE);
while (itv->i_flags & IVTV_F_I_DMA) {
while (test_bit(IVTV_F_I_DMA, &itv->i_flags)) {
got_sig = signal_pending(current);
if (got_sig)
break;
......@@ -1710,7 +1710,8 @@ static int ivtv_decoder_ioctls(struct file *filp, unsigned int cmd, void *arg)
we are waiting unlock first and later lock again. */
mutex_unlock(&itv->serialize_lock);
prepare_to_wait(&itv->event_waitq, &wait, TASK_INTERRUPTIBLE);
if ((itv->i_flags & (IVTV_F_I_EV_DEC_STOPPED|IVTV_F_I_EV_VSYNC)) == 0)
if (!test_bit(IVTV_F_I_EV_DEC_STOPPED, &itv->i_flags) &&
!test_bit(IVTV_F_I_EV_VSYNC, &itv->i_flags))
schedule();
finish_wait(&itv->event_waitq, &wait);
mutex_lock(&itv->serialize_lock);
......
......@@ -196,7 +196,7 @@ static int stream_enc_dma_append(struct ivtv_stream *s, u32 data[CX2341X_MBOX_MA
bytes_needed, s->name);
return -1;
}
if (rc && !s->buffers_stolen && (s->s_flags & IVTV_F_S_APPL_IO)) {
if (rc && !s->buffers_stolen && test_bit(IVTV_F_S_APPL_IO, &s->s_flags)) {
IVTV_WARN("All %s stream buffers are full. Dropping data.\n", s->name);
IVTV_WARN("Cause: the application is not reading fast enough.\n");
}
......
......@@ -1063,7 +1063,8 @@ static int ivtv_yuv_udma_frame(struct ivtv *itv, struct ivtv_dma_frame *args)
prepare_to_wait(&itv->dma_waitq, &wait, TASK_INTERRUPTIBLE);
/* if no UDMA is pending and no UDMA is in progress, then the DMA
is finished */
while (itv->i_flags & (IVTV_F_I_UDMA_PENDING | IVTV_F_I_UDMA)) {
while (test_bit(IVTV_F_I_UDMA_PENDING, &itv->i_flags) ||
test_bit(IVTV_F_I_UDMA, &itv->i_flags)) {
/* don't interrupt if the DMA is in progress but break off
a still pending DMA. */
got_sig = signal_pending(current);
......
......@@ -298,7 +298,8 @@ static int ivtvfb_prep_dec_dma_to_device(struct ivtv *itv,
prepare_to_wait(&itv->dma_waitq, &wait, TASK_INTERRUPTIBLE);
/* if no UDMA is pending and no UDMA is in progress, then the DMA
is finished */
while (itv->i_flags & (IVTV_F_I_UDMA_PENDING | IVTV_F_I_UDMA)) {
while (test_bit(IVTV_F_I_UDMA_PENDING, &itv->i_flags) ||
test_bit(IVTV_F_I_UDMA, &itv->i_flags)) {
/* don't interrupt if the DMA is in progress but break off
a still pending DMA. */
got_sig = signal_pending(current);
......
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