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V4L/DVB (4288): Clean out a zillion sparse warnings in pvrusb2 

Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Mike Isely 2006-06-30 11:35:28 -03:00 committed by Mauro Carvalho Chehab
parent 07e337eeab
commit a0fd1cb171
19 changed files with 105 additions and 105 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/media/video/pvrusb2/pvrusb2-audio.c
View File

@ -145,8 +145,8 @@ static int get_audio_status(struct pvr2_msp3400_handler *ctxt)
static void pvr2_msp3400_detach(struct pvr2_msp3400_handler *ctxt)
{
ctxt->client->handler = 0;
ctxt->hdw->audio_stat = 0;
ctxt->client->handler = NULL;
ctxt->hdw->audio_stat = NULL;
kfree(ctxt);
}

14
drivers/media/video/pvrusb2/pvrusb2-context.c
View File

@ -77,7 +77,7 @@ struct pvr2_context *pvr2_context_create(
const struct usb_device_id *devid,
void (*setup_func)(struct pvr2_context *))
{
struct pvr2_context *mp = 0;
struct pvr2_context *mp = NULL;
mp = kmalloc(sizeof(*mp),GFP_KERNEL);
if (!mp) goto done;
memset(mp,0,sizeof(*mp));
@ -87,7 +87,7 @@ struct pvr2_context *pvr2_context_create(
mp->hdw = pvr2_hdw_create(intf,devid);
if (!mp->hdw) {
pvr2_context_destroy(mp);
mp = 0;
mp = NULL;
goto done;
}
@ -145,7 +145,7 @@ void pvr2_channel_init(struct pvr2_channel *cp,struct pvr2_context *mp)
{
cp->hdw = mp->hdw;
cp->mc_head = mp;
cp->mc_next = 0;
cp->mc_next = NULL;
cp->mc_prev = mp->mc_last;
if (mp->mc_last) {
mp->mc_last->mc_next = cp;
@ -160,8 +160,8 @@ static void pvr2_channel_disclaim_stream(struct pvr2_channel *cp)
{
if (!cp->stream) return;
pvr2_stream_kill(cp->stream->stream);
cp->stream->user = 0;
cp->stream = 0;
cp->stream->user = NULL;
cp->stream = NULL;
}
@ -179,7 +179,7 @@ void pvr2_channel_done(struct pvr2_channel *cp)
} else {
mp->mc_first = cp->mc_next;
}
cp->hdw = 0;
cp->hdw = NULL;
}
@ -212,7 +212,7 @@ struct pvr2_ioread *pvr2_channel_create_mpeg_stream(
{
struct pvr2_ioread *cp;
cp = pvr2_ioread_create();
if (!cp) return 0;
if (!cp) return NULL;
pvr2_ioread_setup(cp,sp->stream);
pvr2_ioread_set_sync_key(cp,stream_sync_key,sizeof(stream_sync_key));
return cp;

6
drivers/media/video/pvrusb2/pvrusb2-ctrl.c
View File

@ -158,7 +158,7 @@ int pvr2_ctrl_get_mask(struct pvr2_ctrl *cptr)
/* Retrieve the control's name */
const char *pvr2_ctrl_get_name(struct pvr2_ctrl *cptr)
{
if (!cptr) return 0;
if (!cptr) return NULL;
return cptr->info->name;
}
@ -166,7 +166,7 @@ const char *pvr2_ctrl_get_name(struct pvr2_ctrl *cptr)
/* Retrieve the control's desc */
const char *pvr2_ctrl_get_desc(struct pvr2_ctrl *cptr)
{
if (!cptr) return 0;
if (!cptr) return NULL;
return cptr->info->desc;
}
@ -488,7 +488,7 @@ int pvr2_ctrl_sym_to_value(struct pvr2_ctrl *cptr,
LOCK_TAKE(cptr->hdw->big_lock); do {
if (cptr->info->type == pvr2_ctl_int) {
ret = parse_token(ptr,len,valptr,0,0);
ret = parse_token(ptr,len,valptr,NULL,0);
if ((ret >= 0) &&
((*valptr < cptr->info->def.type_int.min_value) ||
(*valptr > cptr->info->def.type_int.max_value))) {

6
drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c
View File

@ -139,8 +139,8 @@ static const struct pvr2_v4l_cx2584x_ops decoder_ops[] = {
static void decoder_detach(struct pvr2_v4l_cx2584x *ctxt)
{
ctxt->client->handler = 0;
ctxt->hdw->decoder_ctrl = 0;
ctxt->client->handler = NULL;
ctxt->hdw->decoder_ctrl = NULL;
kfree(ctxt);
}
@ -221,7 +221,7 @@ static unsigned int decoder_describe(struct pvr2_v4l_cx2584x *ctxt,
static void decoder_reset(struct pvr2_v4l_cx2584x *ctxt)
{
int ret;
ret = pvr2_i2c_client_cmd(ctxt->client,VIDIOC_INT_RESET,0);
ret = pvr2_i2c_client_cmd(ctxt->client,VIDIOC_INT_RESET,NULL);
pvr2_trace(PVR2_TRACE_CHIPS,"i2c cx25840 decoder_reset (ret=%d)",ret);
}

2
drivers/media/video/pvrusb2/pvrusb2-debugifc.c
View File

@ -82,7 +82,7 @@ static unsigned int debugifc_isolate_word(const char *buf,unsigned int count,
unsigned int wlen;
unsigned int scnt;
wptr = 0;
wptr = NULL;
wlen = 0;
scnt = debugifc_count_whitespace(buf,count);
consume_cnt += scnt; count -= scnt; buf += scnt;

4
drivers/media/video/pvrusb2/pvrusb2-eeprom.c
View File

@ -58,7 +58,7 @@ static u8 *pvr2_eeprom_fetch(struct pvr2_hdw *hdw)
pvr2_trace(PVR2_TRACE_ERROR_LEGS,
"Failed to allocate memory"
" required to read eeprom");
return 0;
return NULL;
}
trace_eeprom("Value for eeprom addr from controller was 0x%x",
@ -108,7 +108,7 @@ static u8 *pvr2_eeprom_fetch(struct pvr2_hdw *hdw)
pvr2_trace(PVR2_TRACE_ERROR_LEGS,
"eeprom fetch set offs err=%d",ret);
kfree(eeprom);
return 0;
return NULL;
}
}
return eeprom;

4
drivers/media/video/pvrusb2/pvrusb2-encoder.c
View File

@ -65,7 +65,7 @@ static int pvr2_encoder_write_words(struct pvr2_hdw *hdw,
}
ret = pvr2_send_request(hdw,
hdw->cmd_buffer,1+(chunkCnt*7),
0,0);
NULL,0);
if (ret) return ret;
data += chunkCnt;
dlen -= chunkCnt;
@ -322,7 +322,7 @@ int pvr2_encoder_configure(struct pvr2_hdw *hdw)
}
ret = cx2341x_update(hdw,pvr2_encoder_cmd,
(hdw->enc_cur_valid ? &hdw->enc_cur_state : 0),
(hdw->enc_cur_valid ? &hdw->enc_cur_state : NULL),
&hdw->enc_ctl_state);
if (ret) {
pvr2_trace(PVR2_TRACE_ERROR_LEGS,

56
drivers/media/video/pvrusb2/pvrusb2-hdw.c
View File

@ -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 =

4
drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c
View File

@ -196,7 +196,7 @@ const struct pvr2_i2c_op pvr2_i2c_op_v4l2_size = {
static void do_log(struct pvr2_hdw *hdw)
{
pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 do_log()");
pvr2_i2c_core_cmd(hdw,VIDIOC_LOG_STATUS,0);
pvr2_i2c_core_cmd(hdw,VIDIOC_LOG_STATUS,NULL);
}
@ -217,7 +217,7 @@ const struct pvr2_i2c_op pvr2_i2c_op_v4l2_log = {
void pvr2_v4l2_cmd_stream(struct pvr2_i2c_client *cp,int fl)
{
pvr2_i2c_client_cmd(cp,
(fl ? VIDIOC_STREAMON : VIDIOC_STREAMOFF),0);
(fl ? VIDIOC_STREAMON : VIDIOC_STREAMOFF),NULL);
}

12
drivers/media/video/pvrusb2/pvrusb2-i2c-core.c
View File

@ -271,7 +271,7 @@ static int i2c_hack_cx25840(struct pvr2_hdw *hdw,
"WARNING: Disabling further access to the device"
" to prevent other foul-ups.");
// This blocks all further communication with the part.
hdw->i2c_func[0x44] = 0;
hdw->i2c_func[0x44] = NULL;
pvr2_hdw_render_useless(hdw);
goto fail;
}
@ -298,7 +298,7 @@ static int pvr2_i2c_xfer(struct i2c_adapter *i2c_adap,
int num)
{
int ret = -ENOTSUPP;
pvr2_i2c_func funcp = 0;
pvr2_i2c_func funcp = NULL;
struct pvr2_hdw *hdw = (struct pvr2_hdw *)(i2c_adap->algo_data);
if (!num) {
@ -323,7 +323,7 @@ static int pvr2_i2c_xfer(struct i2c_adapter *i2c_adap,
u16 tcnt,bcnt,offs;
if (!msgs[0].len) {
/* Length == 0 read. This is a probe. */
if (funcp(hdw,msgs[0].addr,0,0,0,0)) {
if (funcp(hdw,msgs[0].addr,NULL,0,NULL,0)) {
ret = -EIO;
goto done;
}
@ -340,7 +340,7 @@ static int pvr2_i2c_xfer(struct i2c_adapter *i2c_adap,
if (bcnt > sizeof(hdw->cmd_buffer)-1) {
bcnt = sizeof(hdw->cmd_buffer)-1;
}
if (funcp(hdw,msgs[0].addr,0,0,
if (funcp(hdw,msgs[0].addr,NULL,0,
msgs[0].buf+offs,bcnt)) {
ret = -EIO;
goto done;
@ -354,7 +354,7 @@ static int pvr2_i2c_xfer(struct i2c_adapter *i2c_adap,
/* Simple write */
ret = 1;
if (funcp(hdw,msgs[0].addr,
msgs[0].buf,msgs[0].len,0,0)) {
msgs[0].buf,msgs[0].len,NULL,0)) {
ret = -EIO;
}
goto done;
@ -875,7 +875,7 @@ static void do_i2c_scan(struct pvr2_hdw *hdw)
msg[0].addr = 0;
msg[0].flags = I2C_M_RD;
msg[0].len = 0;
msg[0].buf = 0;
msg[0].buf = NULL;
printk("%s: i2c scan beginning\n",hdw->name);
for (i = 0; i < 128; i++) {
msg[0].addr = i;

18
drivers/media/video/pvrusb2/pvrusb2-io.c
View File

@ -116,8 +116,8 @@ static void pvr2_buffer_describe(struct pvr2_buffer *bp,const char *msg)
(bp ? pvr2_buffer_state_decode(bp->state) : "(invalid)"),
(bp ? bp->id : 0),
(bp ? bp->status : 0),
(bp ? bp->stream : 0),
(bp ? bp->purb : 0),
(bp ? bp->stream : NULL),
(bp ? bp->purb : NULL),
(bp ? bp->signature : 0));
}
#endif /* SANITY_CHECK_BUFFERS */
@ -286,7 +286,7 @@ static void pvr2_buffer_done(struct pvr2_buffer *bp)
pvr2_buffer_wipe(bp);
pvr2_buffer_set_none(bp);
bp->signature = 0;
bp->stream = 0;
bp->stream = NULL;
if (bp->purb) usb_free_urb(bp->purb);
pvr2_trace(PVR2_TRACE_BUF_POOL,"/*---TRACE_FLOW---*/"
" bufferDone %p",bp);
@ -341,13 +341,13 @@ static int pvr2_stream_buffer_count(struct pvr2_stream *sp,unsigned int cnt)
struct pvr2_buffer *bp;
bp = sp->buffers[sp->buffer_total_count - 1];
/* Paranoia */
sp->buffers[sp->buffer_total_count - 1] = 0;
sp->buffers[sp->buffer_total_count - 1] = NULL;
(sp->buffer_total_count)--;
pvr2_buffer_done(bp);
kfree(bp);
}
if (scnt < sp->buffer_slot_count) {
struct pvr2_buffer **nb = 0;
struct pvr2_buffer **nb = NULL;
if (scnt) {
nb = kmalloc(scnt * sizeof(*nb),GFP_KERNEL);
if (!nb) return -ENOMEM;
@ -530,21 +530,21 @@ int pvr2_stream_set_buffer_count(struct pvr2_stream *sp,unsigned int cnt)
struct pvr2_buffer *pvr2_stream_get_idle_buffer(struct pvr2_stream *sp)
{
struct list_head *lp = sp->idle_list.next;
if (lp == &sp->idle_list) return 0;
if (lp == &sp->idle_list) return NULL;
return list_entry(lp,struct pvr2_buffer,list_overhead);
}
struct pvr2_buffer *pvr2_stream_get_ready_buffer(struct pvr2_stream *sp)
{
struct list_head *lp = sp->ready_list.next;
if (lp == &sp->ready_list) return 0;
if (lp == &sp->ready_list) return NULL;
return list_entry(lp,struct pvr2_buffer,list_overhead);
}
struct pvr2_buffer *pvr2_stream_get_buffer(struct pvr2_stream *sp,int id)
{
if (id < 0) return 0;
if (id >= sp->buffer_total_count) return 0;
if (id < 0) return NULL;
if (id >= sp->buffer_total_count) return NULL;
return sp->buffers[id];
}

26
drivers/media/video/pvrusb2/pvrusb2-ioread.c
View File

@ -54,7 +54,7 @@ static int pvr2_ioread_init(struct pvr2_ioread *cp)
{
unsigned int idx;
cp->stream = 0;
cp->stream = NULL;
mutex_init(&cp->mutex);
for (idx = 0; idx < BUFFER_COUNT; idx++) {
@ -77,7 +77,7 @@ static void pvr2_ioread_done(struct pvr2_ioread *cp)
{
unsigned int idx;
pvr2_ioread_setup(cp,0);
pvr2_ioread_setup(cp,NULL);
for (idx = 0; idx < BUFFER_COUNT; idx++) {
if (!(cp->buffer_storage[idx])) continue;
kfree(cp->buffer_storage[idx]);
@ -88,12 +88,12 @@ struct pvr2_ioread *pvr2_ioread_create(void)
{
struct pvr2_ioread *cp;
cp = kmalloc(sizeof(*cp),GFP_KERNEL);
if (!cp) return 0;
if (!cp) return NULL;
pvr2_trace(PVR2_TRACE_STRUCT,"pvr2_ioread_create id=%p",cp);
memset(cp,0,sizeof(*cp));
if (pvr2_ioread_init(cp) < 0) {
kfree(cp);
return 0;
return NULL;
}
return cp;
}
@ -105,7 +105,7 @@ void pvr2_ioread_destroy(struct pvr2_ioread *cp)
pvr2_trace(PVR2_TRACE_STRUCT,"pvr2_ioread_destroy id=%p",cp);
if (cp->sync_key_ptr) {
kfree(cp->sync_key_ptr);
cp->sync_key_ptr = 0;
cp->sync_key_ptr = NULL;
}
kfree(cp);
}
@ -124,7 +124,7 @@ void pvr2_ioread_set_sync_key(struct pvr2_ioread *cp,
if (sync_key_len != cp->sync_key_len) {
if (cp->sync_key_ptr) {
kfree(cp->sync_key_ptr);
cp->sync_key_ptr = 0;
cp->sync_key_ptr = NULL;
}
cp->sync_key_len = 0;
if (sync_key_len) {
@ -144,8 +144,8 @@ static void pvr2_ioread_stop(struct pvr2_ioread *cp)
pvr2_trace(PVR2_TRACE_START_STOP,
"/*---TRACE_READ---*/ pvr2_ioread_stop id=%p",cp);
pvr2_stream_kill(cp->stream);
cp->c_buf = 0;
cp->c_data_ptr = 0;
cp->c_buf = NULL;
cp->c_data_ptr = NULL;
cp->c_data_len = 0;
cp->c_data_offs = 0;
cp->enabled = 0;
@ -179,8 +179,8 @@ static int pvr2_ioread_start(struct pvr2_ioread *cp)
}
}
cp->enabled = !0;
cp->c_buf = 0;
cp->c_data_ptr = 0;
cp->c_buf = NULL;
cp->c_data_ptr = NULL;
cp->c_data_len = 0;
cp->c_data_offs = 0;
cp->stream_running = 0;
@ -214,7 +214,7 @@ int pvr2_ioread_setup(struct pvr2_ioread *cp,struct pvr2_stream *sp)
pvr2_ioread_stop(cp);
pvr2_stream_kill(cp->stream);
pvr2_stream_set_buffer_count(cp->stream,0);
cp->stream = 0;
cp->stream = NULL;
}
if (sp) {
pvr2_trace(PVR2_TRACE_START_STOP,
@ -270,8 +270,8 @@ static int pvr2_ioread_get_buffer(struct pvr2_ioread *cp)
pvr2_ioread_stop(cp);
return 0;
}
cp->c_buf = 0;
cp->c_data_ptr = 0;
cp->c_buf = NULL;
cp->c_data_ptr = NULL;
cp->c_data_len = 0;
cp->c_data_offs = 0;
}

10
drivers/media/video/pvrusb2/pvrusb2-main.c
View File

@ -54,7 +54,7 @@ module_param_named(debug,pvrusb2_debug,int,S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(debug, "Debug trace mask");
#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
static struct pvr2_sysfs_class *class_ptr = 0;
static struct pvr2_sysfs_class *class_ptr = NULL;
#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
static void pvr_setup_attach(struct pvr2_context *pvr)
@ -104,10 +104,10 @@ static void pvr_disconnect(struct usb_interface *intf)
}
static struct usb_driver pvr_driver = {
name: "pvrusb2",
id_table: pvr2_device_table,
probe: pvr_probe,
disconnect: pvr_disconnect
.name = "pvrusb2",
.id_table = pvr2_device_table,
.probe = pvr_probe,
.disconnect = pvr_disconnect
};
/*

6
drivers/media/video/pvrusb2/pvrusb2-std.c
View File

@ -121,7 +121,7 @@ static const struct std_name *find_std_name(const struct std_name *arrPtr,
if (strlen(p->name) != bufSize) continue;
if (!memcmp(bufPtr,p->name,bufSize)) return p;
}
return 0;
return NULL;
}
@ -289,7 +289,7 @@ static struct v4l2_standard *match_std(v4l2_std_id id)
return generic_standards + idx;
}
}
return 0;
return NULL;
}
static int pvr2_std_fill(struct v4l2_standard *std,v4l2_std_id id)
@ -364,7 +364,7 @@ struct v4l2_standard *pvr2_std_create_enum(unsigned int *countptr,
pvr2_trace(PVR2_TRACE_INIT,"Setting up %u unique standard(s)",
std_cnt);
if (!std_cnt) return 0; // paranoia
if (!std_cnt) return NULL; // paranoia
stddefs = kmalloc(sizeof(struct v4l2_standard) * std_cnt,
GFP_KERNEL);

14
drivers/media/video/pvrusb2/pvrusb2-sysfs.c
View File

@ -504,7 +504,7 @@ static void pvr2_sysfs_add_control(struct pvr2_sysfs *sfp,int ctl_id)
cip->cptr = cptr;
cip->chptr = sfp;
cip->item_next = 0;
cip->item_next = NULL;
if (sfp->item_last) {
sfp->item_last->item_next = cip;
} else {
@ -625,7 +625,7 @@ static void pvr2_sysfs_tear_down_debugifc(struct pvr2_sysfs *sfp)
&sfp->debugifc->attr_debuginfo);
class_device_remove_file(sfp->class_dev,&sfp->debugifc->attr_debugcmd);
kfree(sfp->debugifc);
sfp->debugifc = 0;
sfp->debugifc = NULL;
}
#endif /* CONFIG_VIDEO_PVRUSB2_DEBUGIFC */
@ -678,9 +678,9 @@ static void class_dev_destroy(struct pvr2_sysfs *sfp)
class_device_remove_file(sfp->class_dev,&sfp->attr_v4l_minor_number);
class_device_remove_file(sfp->class_dev,&sfp->attr_unit_number);
pvr2_sysfs_trace("Destroying class_dev id=%p",sfp->class_dev);
sfp->class_dev->class_data = 0;
sfp->class_dev->class_data = NULL;
class_device_unregister(sfp->class_dev);
sfp->class_dev = 0;
sfp->class_dev = NULL;
}
@ -739,13 +739,13 @@ static void class_dev_create(struct pvr2_sysfs *sfp,
sfp->attr_v4l_minor_number.attr.name = "v4l_minor_number";
sfp->attr_v4l_minor_number.attr.mode = S_IRUGO;
sfp->attr_v4l_minor_number.show = v4l_minor_number_show;
sfp->attr_v4l_minor_number.store = 0;
sfp->attr_v4l_minor_number.store = NULL;
class_device_create_file(sfp->class_dev,&sfp->attr_v4l_minor_number);
sfp->attr_unit_number.attr.owner = THIS_MODULE;
sfp->attr_unit_number.attr.name = "unit_number";
sfp->attr_unit_number.attr.mode = S_IRUGO;
sfp->attr_unit_number.show = unit_number_show;
sfp->attr_unit_number.store = 0;
sfp->attr_unit_number.store = NULL;
class_device_create_file(sfp->class_dev,&sfp->attr_unit_number);
pvr2_sysfs_add_controls(sfp);
@ -806,7 +806,7 @@ struct pvr2_sysfs_class *pvr2_sysfs_class_create(void)
pvr2_sysfs_trace(
"Registration failed for pvr2_sysfs_class id=%p",clp);
kfree(clp);
clp = 0;
clp = NULL;
}
return clp;
}

2
drivers/media/video/pvrusb2/pvrusb2-tuner.c
View File

@ -69,7 +69,7 @@ static void tuner_update(struct pvr2_tuner_handler *ctxt)
static void pvr2_tuner_detach(struct pvr2_tuner_handler *ctxt)
{
ctxt->client->handler = 0;
ctxt->client->handler = NULL;
kfree(ctxt);
}

16
drivers/media/video/pvrusb2/pvrusb2-v4l2.c
View File

@ -760,9 +760,9 @@ static int pvr2_v4l2_release(struct inode *inode, struct file *file)
hdw = fhp->channel.mc_head->hdw;
pvr2_hdw_set_streaming(hdw,0);
sp = pvr2_ioread_get_stream(fhp->rhp);
if (sp) pvr2_stream_set_callback(sp,0,0);
if (sp) pvr2_stream_set_callback(sp,NULL,NULL);
pvr2_ioread_destroy(fhp->rhp);
fhp->rhp = 0;
fhp->rhp = NULL;
}
v4l2_prio_close(&vp->prio, &fhp->prio);
file->private_data = NULL;
@ -778,9 +778,9 @@ static int pvr2_v4l2_release(struct inode *inode, struct file *file)
} else {
vp->vfirst = fhp->vnext;
}
fhp->vnext = 0;
fhp->vprev = 0;
fhp->vhead = 0;
fhp->vnext = NULL;
fhp->vprev = NULL;
fhp->vhead = NULL;
pvr2_channel_done(&fhp->channel);
pvr2_trace(PVR2_TRACE_STRUCT,
"Destroying pvr_v4l2_fh id=%p",fhp);
@ -795,7 +795,7 @@ static int pvr2_v4l2_release(struct inode *inode, struct file *file)
static int pvr2_v4l2_open(struct inode *inode, struct file *file)
{
struct pvr2_v4l2_dev *dip = 0; /* Our own context pointer */
struct pvr2_v4l2_dev *dip = NULL; /* Our own context pointer */
struct pvr2_v4l2_fh *fhp;
struct pvr2_v4l2 *vp;
struct pvr2_hdw *hdw;
@ -853,7 +853,7 @@ static int pvr2_v4l2_open(struct inode *inode, struct file *file)
pvr2_context_enter(vp->channel.mc_head); do {
pvr2_trace(PVR2_TRACE_STRUCT,"Creating pvr_v4l2_fh id=%p",fhp);
pvr2_channel_init(&fhp->channel,vp->channel.mc_head);
fhp->vnext = 0;
fhp->vnext = NULL;
fhp->vprev = vp->vlast;
if (vp->vlast) {
vp->vlast->vnext = fhp;
@ -896,7 +896,7 @@ static int pvr2_v4l2_iosetup(struct pvr2_v4l2_fh *fh)
fh->rhp = pvr2_channel_create_mpeg_stream(fh->dev_info->stream);
if (!fh->rhp) {
pvr2_channel_claim_stream(&fh->channel,0);
pvr2_channel_claim_stream(&fh->channel,NULL);
return -ENOMEM;
}

4
drivers/media/video/pvrusb2/pvrusb2-video-v4l.c
View File

@ -126,8 +126,8 @@ static const struct pvr2_v4l_decoder_ops decoder_ops[] = {
static void decoder_detach(struct pvr2_v4l_decoder *ctxt)
{
ctxt->client->handler = 0;
ctxt->hdw->decoder_ctrl = 0;
ctxt->client->handler = NULL;
ctxt->hdw->decoder_ctrl = NULL;
kfree(ctxt);
}

2
drivers/media/video/pvrusb2/pvrusb2-wm8775.c
View File

@ -89,7 +89,7 @@ static unsigned int wm8775_describe(struct pvr2_v4l_wm8775 *ctxt,
static void wm8775_detach(struct pvr2_v4l_wm8775 *ctxt)
{
ctxt->client->handler = 0;
ctxt->client->handler = NULL;
kfree(ctxt);
}