1 files changed, 28 insertions, 28 deletions

diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
index 9638591cc06f..9b48abcf6089 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
@@ -87,7 +87,7 @@ static struct pvr2_string_table pvr2_client_lists[] = {
 #endif
 };
 
-static struct pvr2_hdw *unit_pointers[PVR_NUM] = {[ 0 ... PVR_NUM-1 ] = 0};
+static struct pvr2_hdw *unit_pointers[PVR_NUM] = {[ 0 ... PVR_NUM-1 ] = NULL};
 static DECLARE_MUTEX(pvr2_unit_sem);
 
 static int ctlchg = 0;
@@ -422,7 +422,7 @@ static unsigned int ctrl_cx2341x_getv4lflags(struct pvr2_ctrl *cptr)
         info = (struct pvr2_ctl_info *)(cptr->info);
         if (qctrl.flags & V4L2_CTRL_FLAG_READ_ONLY) {
                 if (info->set_value) {
-                        info->set_value = 0;
+                        info->set_value = NULL;
                 }
         } else {
                 if (!(info->set_value)) {
@@ -928,7 +928,7 @@ static int pvr2_locate_firmware(struct pvr2_hdw *hdw,
  */
 static int pvr2_upload_firmware1(struct pvr2_hdw *hdw)
 {
-        const struct firmware *fw_entry = 0;
+        const struct firmware *fw_entry = NULL;
         void  *fw_ptr;
         unsigned int pipe;
         int ret;
@@ -1024,7 +1024,7 @@ static int pvr2_upload_firmware1(struct pvr2_hdw *hdw)
 
 int pvr2_upload_firmware2(struct pvr2_hdw *hdw)
 {
-        const struct firmware *fw_entry = 0;
+        const struct firmware *fw_entry = NULL;
         void  *fw_ptr;
         unsigned int pipe, fw_len, fw_done;
         int actual_length;
@@ -1739,7 +1739,7 @@ struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf,
             sizeof(pvr2_device_names)/sizeof(pvr2_device_names[0])) {
                 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
                            "Bogus device type of %u reported",hdw_type);
-                return 0;
+                return NULL;
         }
 
         hdw = kmalloc(sizeof(*hdw),GFP_KERNEL);
@@ -1920,7 +1920,7 @@ struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf,
                 if (hdw->mpeg_ctrl_info) kfree(hdw->mpeg_ctrl_info);
                 kfree(hdw);
         }
-        return 0;
+        return NULL;
 }
 
 
@@ -1933,25 +1933,25 @@ static void pvr2_hdw_remove_usb_stuff(struct pvr2_hdw *hdw)
         if (hdw->ctl_read_urb) {
                 usb_kill_urb(hdw->ctl_read_urb);
                 usb_free_urb(hdw->ctl_read_urb);
-                hdw->ctl_read_urb = 0;
+                hdw->ctl_read_urb = NULL;
         }
         if (hdw->ctl_write_urb) {
                 usb_kill_urb(hdw->ctl_write_urb);
                 usb_free_urb(hdw->ctl_write_urb);
-                hdw->ctl_write_urb = 0;
+                hdw->ctl_write_urb = NULL;
         }
         if (hdw->ctl_read_buffer) {
                 kfree(hdw->ctl_read_buffer);
-                hdw->ctl_read_buffer = 0;
+                hdw->ctl_read_buffer = NULL;
         }
         if (hdw->ctl_write_buffer) {
                 kfree(hdw->ctl_write_buffer);
-                hdw->ctl_write_buffer = 0;
+                hdw->ctl_write_buffer = NULL;
         }
         pvr2_hdw_render_useless_unlocked(hdw);
         hdw->flag_disconnected = !0;
-        hdw->usb_dev = 0;
-        hdw->usb_intf = 0;
+        hdw->usb_dev = NULL;
+        hdw->usb_intf = NULL;
 }
 
 
@@ -1961,11 +1961,11 @@ void pvr2_hdw_destroy(struct pvr2_hdw *hdw)
         pvr2_trace(PVR2_TRACE_INIT,"pvr2_hdw_destroy: hdw=%p",hdw);
         if (hdw->fw_buffer) {
                 kfree(hdw->fw_buffer);
-                hdw->fw_buffer = 0;
+                hdw->fw_buffer = NULL;
         }
         if (hdw->vid_stream) {
                 pvr2_stream_destroy(hdw->vid_stream);
-                hdw->vid_stream = 0;
+                hdw->vid_stream = NULL;
         }
         if (hdw->audio_stat) {
                 hdw->audio_stat->detach(hdw->audio_stat->ctxt);
@@ -1979,7 +1979,7 @@ void pvr2_hdw_destroy(struct pvr2_hdw *hdw)
                 if ((hdw->unit_number >= 0) &&
                     (hdw->unit_number < PVR_NUM) &&
                     (unit_pointers[hdw->unit_number] == hdw)) {
-                        unit_pointers[hdw->unit_number] = 0;
+                        unit_pointers[hdw->unit_number] = NULL;
                 }
         } while (0); up(&pvr2_unit_sem);
         if (hdw->controls) kfree(hdw->controls);
@@ -2041,12 +2041,12 @@ static void pvr2_hdw_internal_set_std_avail(struct pvr2_hdw *hdw)
 
         if (hdw->std_defs) {
                 kfree(hdw->std_defs);
-                hdw->std_defs = 0;
+                hdw->std_defs = NULL;
         }
         hdw->std_enum_cnt = 0;
         if (hdw->std_enum_names) {
                 kfree(hdw->std_enum_names);
-                hdw->std_enum_names = 0;
+                hdw->std_enum_names = NULL;
         }
 
         if (!std_cnt) {
@@ -2097,7 +2097,7 @@ unsigned int pvr2_hdw_get_ctrl_count(struct pvr2_hdw *hdw)
 struct pvr2_ctrl *pvr2_hdw_get_ctrl_by_index(struct pvr2_hdw *hdw,
                                              unsigned int idx)
 {
-        if (idx >= hdw->control_cnt) return 0;
+        if (idx >= hdw->control_cnt) return NULL;
         return hdw->controls + idx;
 }
 
@@ -2116,7 +2116,7 @@ struct pvr2_ctrl *pvr2_hdw_get_ctrl_by_id(struct pvr2_hdw *hdw,
                 i = cptr->info->internal_id;
                 if (i && (i == ctl_id)) return cptr;
         }
-        return 0;
+        return NULL;
 }
 
 
@@ -2133,7 +2133,7 @@ struct pvr2_ctrl *pvr2_hdw_get_ctrl_v4l(struct pvr2_hdw *hdw,unsigned int ctl_id
                 i = cptr->info->v4l_id;
                 if (i && (i == ctl_id)) return cptr;
         }
-        return 0;
+        return NULL;
 }
 
 
@@ -2147,7 +2147,7 @@ struct pvr2_ctrl *pvr2_hdw_get_ctrl_nextv4l(struct pvr2_hdw *hdw,
         int i;
 
         /* This could be made a lot more efficient, but for now... */
-        cp2 = 0;
+        cp2 = NULL;
         for (idx = 0; idx < hdw->control_cnt; idx++) {
                 cptr = hdw->controls + idx;
                 i = cptr->info->v4l_id;
@@ -2157,7 +2157,7 @@ struct pvr2_ctrl *pvr2_hdw_get_ctrl_nextv4l(struct pvr2_hdw *hdw,
                 cp2 = cptr;
         }
         return cp2;
-        return 0;
+        return NULL;
 }
 
 
@@ -2414,7 +2414,7 @@ void pvr2_hdw_cpufw_set_enabled(struct pvr2_hdw *hdw, int enable_flag)
                         pvr2_trace(PVR2_TRACE_FIRMWARE,
                                    "Cleaning up after CPU firmware fetch");
                         kfree(hdw->fw_buffer);
-                        hdw->fw_buffer = 0;
+                        hdw->fw_buffer = NULL;
                         hdw->fw_size = 0;
                         /* Now release the CPU.  It will disconnect and
                            reconnect later. */
@@ -2863,7 +2863,7 @@ static void pvr2_hdw_render_useless_unlocked(struct pvr2_hdw *hdw)
         pvr2_trace(PVR2_TRACE_INIT,"render_useless");
         hdw->flag_ok = 0;
         if (hdw->vid_stream) {
-                pvr2_stream_setup(hdw->vid_stream,0,0,0);
+                pvr2_stream_setup(hdw->vid_stream,NULL,0,0);
         }
         hdw->flag_streaming_enabled = 0;
         hdw->subsys_enabled_mask = 0;
@@ -2882,7 +2882,7 @@ void pvr2_hdw_device_reset(struct pvr2_hdw *hdw)
 {
         int ret;
         pvr2_trace(PVR2_TRACE_INIT,"Performing a device reset...");
-        ret = usb_lock_device_for_reset(hdw->usb_dev,0);
+        ret = usb_lock_device_for_reset(hdw->usb_dev,NULL);
         if (ret == 1) {
                 ret = usb_reset_device(hdw->usb_dev);
                 usb_unlock_device(hdw->usb_dev);
@@ -2931,7 +2931,7 @@ int pvr2_hdw_cmd_deep_reset(struct pvr2_hdw *hdw)
                 pvr2_trace(PVR2_TRACE_INIT,"Requesting uproc hard reset");
                 hdw->flag_ok = !0;
                 hdw->cmd_buffer[0] = 0xdd;
-                status = pvr2_send_request(hdw,hdw->cmd_buffer,1,0,0);
+                status = pvr2_send_request(hdw,hdw->cmd_buffer,1,NULL,0);
         } while (0); LOCK_GIVE(hdw->ctl_lock);
         return status;
 }
@@ -2943,7 +2943,7 @@ int pvr2_hdw_cmd_powerup(struct pvr2_hdw *hdw)
         LOCK_TAKE(hdw->ctl_lock); do {
                 pvr2_trace(PVR2_TRACE_INIT,"Requesting powerup");
                 hdw->cmd_buffer[0] = 0xde;
-                status = pvr2_send_request(hdw,hdw->cmd_buffer,1,0,0);
+                status = pvr2_send_request(hdw,hdw->cmd_buffer,1,NULL,0);
         } while (0); LOCK_GIVE(hdw->ctl_lock);
         return status;
 }
@@ -2975,7 +2975,7 @@ static int pvr2_hdw_cmd_usbstream(struct pvr2_hdw *hdw,int runFl)
         int status;
         LOCK_TAKE(hdw->ctl_lock); do {
                 hdw->cmd_buffer[0] = (runFl ? 0x36 : 0x37);
-                status = pvr2_send_request(hdw,hdw->cmd_buffer,1,0,0);
+                status = pvr2_send_request(hdw,hdw->cmd_buffer,1,NULL,0);
         } while (0); LOCK_GIVE(hdw->ctl_lock);
         if (!status) {
                 hdw->subsys_enabled_mask =