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-rw-r--r--drivers/media/video/cx18/cx18-alsa-main.c1
-rw-r--r--drivers/media/video/cx18/cx18-alsa-pcm.c10
-rw-r--r--drivers/media/video/cx18/cx18-mailbox.c6
-rw-r--r--drivers/media/video/cx18/cx18-streams.c3
-rw-r--r--drivers/media/video/ivtv/ivtv-ioctl.c3
-rw-r--r--drivers/media/video/ivtv/ivtvfb.c2
6 files changed, 7 insertions, 18 deletions
diff --git a/drivers/media/video/cx18/cx18-alsa-main.c b/drivers/media/video/cx18/cx18-alsa-main.c
index e118361c2e7b..6d2a98246b6d 100644
--- a/drivers/media/video/cx18/cx18-alsa-main.c
+++ b/drivers/media/video/cx18/cx18-alsa-main.c
@@ -285,6 +285,7 @@ static void __exit cx18_alsa_exit(void)
drv = driver_find("cx18", &pci_bus_type);
ret = driver_for_each_device(drv, NULL, NULL, cx18_alsa_exit_callback);
+ (void)ret; /* suppress compiler warning */
cx18_ext_init = NULL;
printk(KERN_INFO "cx18-alsa: module unload complete\n");
diff --git a/drivers/media/video/cx18/cx18-alsa-pcm.c b/drivers/media/video/cx18/cx18-alsa-pcm.c
index 82d195be9197..7a5b84a86bb3 100644
--- a/drivers/media/video/cx18/cx18-alsa-pcm.c
+++ b/drivers/media/video/cx18/cx18-alsa-pcm.c
@@ -190,7 +190,7 @@ static int snd_cx18_pcm_capture_open(struct snd_pcm_substream *substream)
ret = cx18_start_v4l2_encode_stream(s);
snd_cx18_unlock(cxsc);
- return 0;
+ return ret;
}
static int snd_cx18_pcm_capture_close(struct snd_pcm_substream *substream)
@@ -199,12 +199,11 @@ static int snd_cx18_pcm_capture_close(struct snd_pcm_substream *substream)
struct v4l2_device *v4l2_dev = cxsc->v4l2_dev;
struct cx18 *cx = to_cx18(v4l2_dev);
struct cx18_stream *s;
- int ret;
/* Instruct the cx18 to stop sending packets */
snd_cx18_lock(cxsc);
s = &cx->streams[CX18_ENC_STREAM_TYPE_PCM];
- ret = cx18_stop_v4l2_encode_stream(s, 0);
+ cx18_stop_v4l2_encode_stream(s, 0);
clear_bit(CX18_F_S_STREAMING, &s->s_flags);
cx18_release_stream(s);
@@ -252,13 +251,10 @@ static int snd_pcm_alloc_vmalloc_buffer(struct snd_pcm_substream *subs,
static int snd_cx18_pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
- int ret;
-
dprintk("%s called\n", __func__);
- ret = snd_pcm_alloc_vmalloc_buffer(substream,
+ return snd_pcm_alloc_vmalloc_buffer(substream,
params_buffer_bytes(params));
- return 0;
}
static int snd_cx18_pcm_hw_free(struct snd_pcm_substream *substream)
diff --git a/drivers/media/video/cx18/cx18-mailbox.c b/drivers/media/video/cx18/cx18-mailbox.c
index 0c7796e76ac0..ed8118390b02 100644
--- a/drivers/media/video/cx18/cx18-mailbox.c
+++ b/drivers/media/video/cx18/cx18-mailbox.c
@@ -595,9 +595,8 @@ void cx18_api_epu_cmd_irq(struct cx18 *cx, int rpu)
static int cx18_api_call(struct cx18 *cx, u32 cmd, int args, u32 data[])
{
const struct cx18_api_info *info = find_api_info(cmd);
- u32 state, irq, req, ack, err;
+ u32 irq, req, ack, err;
struct cx18_mailbox __iomem *mb;
- u32 __iomem *xpu_state;
wait_queue_head_t *waitq;
struct mutex *mb_lock;
unsigned long int t0, timeout, ret;
@@ -628,14 +627,12 @@ static int cx18_api_call(struct cx18 *cx, u32 cmd, int args, u32 data[])
mb_lock = &cx->epu2apu_mb_lock;
irq = IRQ_EPU_TO_APU;
mb = &cx->scb->epu2apu_mb;
- xpu_state = &cx->scb->apu_state;
break;
case CPU:
waitq = &cx->mb_cpu_waitq;
mb_lock = &cx->epu2cpu_mb_lock;
irq = IRQ_EPU_TO_CPU;
mb = &cx->scb->epu2cpu_mb;
- xpu_state = &cx->scb->cpu_state;
break;
default:
CX18_WARN("Unknown RPU (%d) for API call\n", info->rpu);
@@ -653,7 +650,6 @@ static int cx18_api_call(struct cx18 *cx, u32 cmd, int args, u32 data[])
* by a signal, we may get here and find a busy mailbox. After waiting,
* mark it "not busy" from our end, if the XPU hasn't ack'ed it still.
*/
- state = cx18_readl(cx, xpu_state);
req = cx18_readl(cx, &mb->request);
timeout = msecs_to_jiffies(10);
ret = wait_event_timeout(*waitq,
diff --git a/drivers/media/video/cx18/cx18-streams.c b/drivers/media/video/cx18/cx18-streams.c
index 638cca156b58..4185bcb80ca3 100644
--- a/drivers/media/video/cx18/cx18-streams.c
+++ b/drivers/media/video/cx18/cx18-streams.c
@@ -980,7 +980,6 @@ void cx18_stop_all_captures(struct cx18 *cx)
int cx18_stop_v4l2_encode_stream(struct cx18_stream *s, int gop_end)
{
struct cx18 *cx = s->cx;
- unsigned long then;
if (!cx18_stream_enabled(s))
return -EINVAL;
@@ -999,8 +998,6 @@ int cx18_stop_v4l2_encode_stream(struct cx18_stream *s, int gop_end)
else
cx18_vapi(cx, CX18_CPU_CAPTURE_STOP, 1, s->handle);
- then = jiffies;
-
if (s->type == CX18_ENC_STREAM_TYPE_MPG && gop_end) {
CX18_INFO("ignoring gop_end: not (yet?) supported by the firmware\n");
}
diff --git a/drivers/media/video/ivtv/ivtv-ioctl.c b/drivers/media/video/ivtv/ivtv-ioctl.c
index 70cd802c9ca8..f7d57b3f2842 100644
--- a/drivers/media/video/ivtv/ivtv-ioctl.c
+++ b/drivers/media/video/ivtv/ivtv-ioctl.c
@@ -135,7 +135,6 @@ void ivtv_set_osd_alpha(struct ivtv *itv)
int ivtv_set_speed(struct ivtv *itv, int speed)
{
u32 data[CX2341X_MBOX_MAX_DATA];
- struct ivtv_stream *s;
int single_step = (speed == 1 || speed == -1);
DEFINE_WAIT(wait);
@@ -145,8 +144,6 @@ int ivtv_set_speed(struct ivtv *itv, int speed)
if (speed == itv->speed && !single_step)
return 0;
- s = &itv->streams[IVTV_DEC_STREAM_TYPE_MPG];
-
if (single_step && (speed < 0) == (itv->speed < 0)) {
/* Single step video and no need to change direction */
ivtv_vapi(itv, CX2341X_DEC_STEP_VIDEO, 1, 0);
diff --git a/drivers/media/video/ivtv/ivtvfb.c b/drivers/media/video/ivtv/ivtvfb.c
index e5e7fa9e737b..05b94aa8ba32 100644
--- a/drivers/media/video/ivtv/ivtvfb.c
+++ b/drivers/media/video/ivtv/ivtvfb.c
@@ -1293,6 +1293,7 @@ static int __init ivtvfb_init(void)
drv = driver_find("ivtv", &pci_bus_type);
err = driver_for_each_device(drv, NULL, &registered, ivtvfb_callback_init);
+ (void)err; /* suppress compiler warning */
if (!registered) {
printk(KERN_ERR "ivtvfb: no cards found\n");
return -ENODEV;
@@ -1309,6 +1310,7 @@ static void ivtvfb_cleanup(void)
drv = driver_find("ivtv", &pci_bus_type);
err = driver_for_each_device(drv, NULL, NULL, ivtvfb_callback_cleanup);
+ (void)err; /* suppress compiler warning */
}
module_init(ivtvfb_init);