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

Found the coccinelle tool.

Thanks-to: Julia Lawall <julia@diku.dk>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/ivtv/ivtv-ioctl.c

@@ -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);

drivers/media/video/ivtv/ivtv-irq.c

@@ -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");
 	}

drivers/media/video/ivtv/ivtv-yuv.c

@@ -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);

drivers/media/video/ivtv/ivtvfb.c

@@ -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);