media: fix integer as NULL pointer warnings

drivers/media/video/v4l2-common.c:719:16: warning: Using plain integer as NULL pointer
drivers/media/video/au0828/au0828-dvb.c:122:19: warning: Using plain integer as NULL pointer
drivers/media/video/ivtv/ivtv-yuv.c:1101:22: warning: Using plain integer as NULL pointer
drivers/media/video/ivtv/ivtv-yuv.c:1102:23: warning: Using plain integer as NULL pointer
drivers/media/video/pvrusb2/pvrusb2-audio.c:78:39: warning: Using plain integer as NULL pointer
drivers/media/video/pvrusb2/pvrusb2-video-v4l.c:84:39: warning: Using plain integer as NULL pointer
drivers/media/video/pvrusb2/pvrusb2-v4l2.c:1264:9: warning: Using plain integer as NULL pointer
drivers/media/video/pvrusb2/pvrusb2-context.c:197:28: warning: Using plain integer as NULL pointer
drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c:126:39: warning: Using plain integer as NULL pointer
drivers/media/video/pvrusb2/pvrusb2-dvb.c:133:32: warning: Using plain integer as NULL pointer
drivers/media/video/pvrusb2/pvrusb2-dvb.c:145:31: warning: Using plain integer as NULL pointer
drivers/media/video/pvrusb2/pvrusb2-dvb.c:177:55: warning: Using plain integer as NULL pointer
drivers/media/video/videobuf-core.c:100:9: warning: Using plain integer as NULL pointer

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 files changed, 16 insertions, 13 deletions

diff --git a/drivers/media/video/au0828/au0828-dvb.c b/drivers/media/video/au0828/au0828-dvb.c
index 5040d7fc4af5..1371b4e4b5f1 100644
--- a/drivers/media/video/au0828/au0828-dvb.c
+++ b/drivers/media/video/au0828/au0828-dvb.c
@@ -119,7 +119,7 @@ static int start_urb_transfer(struct au0828_dev *dev)
                 purb->transfer_buffer = kzalloc(URB_BUFSIZE, GFP_KERNEL);
                 if (!purb->transfer_buffer) {
                         usb_free_urb(purb);
-                        dev->urbs[i] = 0;
+                        dev->urbs[i] = NULL;
                         goto err;
                 }
 
diff --git a/drivers/media/video/ivtv/ivtv-yuv.c b/drivers/media/video/ivtv/ivtv-yuv.c
index 393d917cd672..62f70bd5e3cb 100644
--- a/drivers/media/video/ivtv/ivtv-yuv.c
+++ b/drivers/media/video/ivtv/ivtv-yuv.c
@@ -1098,8 +1098,8 @@ void ivtv_yuv_setup_stream_frame(struct ivtv *itv)
         ivtv_yuv_next_free(itv);
 
         /* Copy V4L2 parameters to an ivtv_dma_frame struct... */
-        dma_args.y_source = 0L;
-        dma_args.uv_source = 0L;
+        dma_args.y_source = NULL;
+        dma_args.uv_source = NULL;
         dma_args.src.left = 0;
         dma_args.src.top = 0;
         dma_args.src.width = yi->v4l2_src_w;
diff --git a/drivers/media/video/pvrusb2/pvrusb2-audio.c b/drivers/media/video/pvrusb2/pvrusb2-audio.c
index 9a7c8e9c3e8b..8d859ccd48ec 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-audio.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-audio.c
@@ -75,7 +75,7 @@ static void set_stereo(struct pvr2_msp3400_handler *ctxt)
         pvr2_trace(PVR2_TRACE_CHIPS,"i2c msp3400 v4l2 set_stereo");
 
         if ((sid < ARRAY_SIZE(routing_schemes)) &&
-            ((sp = routing_schemes + sid) != 0) &&
+            ((sp = routing_schemes + sid) != NULL) &&
             (hdw->input_val >= 0) &&
             (hdw->input_val < sp->cnt)) {
                 route.input = sp->def[hdw->input_val];
diff --git a/drivers/media/video/pvrusb2/pvrusb2-context.c b/drivers/media/video/pvrusb2/pvrusb2-context.c
index b5db6a5bab31..73dcb1c57ae6 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-context.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-context.c
@@ -195,7 +195,7 @@ static int pvr2_context_thread_func(void *foo)
 int pvr2_context_global_init(void)
 {
         pvr2_context_thread_ptr = kthread_run(pvr2_context_thread_func,
-                                              0,
+                                              NULL,
                                               "pvrusb2-context");
         return (pvr2_context_thread_ptr ? 0 : -ENOMEM);
 }
diff --git a/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c b/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c
index 97350b048b8d..29d50597c88a 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c
@@ -123,7 +123,7 @@ static void set_input(struct pvr2_v4l_cx2584x *ctxt)
         memset(&route,0,sizeof(route));
 
         if ((sid < ARRAY_SIZE(routing_schemes)) &&
-            ((sp = routing_schemes + sid) != 0) &&
+            ((sp = routing_schemes + sid) != NULL) &&
             (hdw->input_val >= 0) &&
             (hdw->input_val < sp->cnt)) {
                 vid_input = sp->def[hdw->input_val].vid;
diff --git a/drivers/media/video/pvrusb2/pvrusb2-dvb.c b/drivers/media/video/pvrusb2/pvrusb2-dvb.c
index 2e64f98d1241..6504c97e0bbc 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-dvb.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-dvb.c
@@ -130,7 +130,7 @@ static void pvr2_dvb_stream_end(struct pvr2_dvb_adapter *adap)
                 for (idx = 0; idx < PVR2_DVB_BUFFER_COUNT; idx++) {
                         if (!(adap->buffer_storage[idx])) continue;
                         kfree(adap->buffer_storage[idx]);
-                        adap->buffer_storage[idx] = 0;
+                        adap->buffer_storage[idx] = NULL;
                 }
                 adap->stream_run = 0;
         }
@@ -142,7 +142,7 @@ static int pvr2_dvb_stream_do_start(struct pvr2_dvb_adapter *adap)
         unsigned int idx;
         int ret;
         struct pvr2_buffer *bp;
-        struct pvr2_stream *stream = 0;
+        struct pvr2_stream *stream = NULL;
 
         if (adap->stream_run) return -EIO;
 
@@ -174,7 +174,7 @@ static int pvr2_dvb_stream_do_start(struct pvr2_dvb_adapter *adap)
         ret = pvr2_hdw_set_streaming(adap->channel.hdw, 1);
         if (ret < 0) return ret;
 
-        while ((bp = pvr2_stream_get_idle_buffer(stream)) != 0) {
+        while ((bp = pvr2_stream_get_idle_buffer(stream)) != NULL) {
                 ret = pvr2_buffer_queue(bp);
                 if (ret < 0) return ret;
         }
diff --git a/drivers/media/video/pvrusb2/pvrusb2-v4l2.c b/drivers/media/video/pvrusb2/pvrusb2-v4l2.c
index 087a18245560..e9b5d4e91327 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-v4l2.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-v4l2.c
@@ -1261,7 +1261,7 @@ struct pvr2_v4l2 *pvr2_v4l2_create(struct pvr2_context *mnp)
  fail:
         pvr2_trace(PVR2_TRACE_STRUCT,"Failure creating pvr2_v4l2 id=%p",vp);
         pvr2_v4l2_destroy_no_lock(vp);
-        return 0;
+        return NULL;
 }
 
 /*
diff --git a/drivers/media/video/pvrusb2/pvrusb2-video-v4l.c b/drivers/media/video/pvrusb2/pvrusb2-video-v4l.c
index 7c47345501b6..2433a3160041 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-video-v4l.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-video-v4l.c
@@ -81,7 +81,7 @@ static void set_input(struct pvr2_v4l_decoder *ctxt)
         pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 set_input(%d)",hdw->input_val);
 
         if ((sid < ARRAY_SIZE(routing_schemes)) &&
-            ((sp = routing_schemes + sid) != 0) &&
+            ((sp = routing_schemes + sid) != NULL) &&
             (hdw->input_val >= 0) &&
             (hdw->input_val < sp->cnt)) {
                 route.input = sp->def[hdw->input_val];
diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c
index 34deb68ae568..7cc42c1da457 100644
--- a/drivers/media/video/v4l2-common.c
+++ b/drivers/media/video/v4l2-common.c
@@ -716,7 +716,7 @@ int v4l2_i2c_attach(struct i2c_adapter *adapter, int address, struct i2c_driver
         int err;
 
         client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
-        if (client == 0)
+        if (!client)
                 return -ENOMEM;
 
         client->addr = address;
diff --git a/drivers/media/video/videobuf-core.c b/drivers/media/video/videobuf-core.c
index fc51e4918bbf..982f4463896c 100644
--- a/drivers/media/video/videobuf-core.c
+++ b/drivers/media/video/videobuf-core.c
@@ -97,7 +97,10 @@ int videobuf_iolock(struct videobuf_queue *q, struct videobuf_buffer *vb,
 void *videobuf_queue_to_vmalloc (struct videobuf_queue *q,
                            struct videobuf_buffer *buf)
 {
-        return CALL(q, vmalloc, buf);
+        if (q->int_ops->vmalloc)
+                return q->int_ops->vmalloc(buf);
+        else
+                return NULL;
 }
 EXPORT_SYMBOL_GPL(videobuf_queue_to_vmalloc);