V4L/DVB: nGene: use NULL when pointer is needed
Use NULL when calling a function with pointer parameter, initializing a
pointer and returning a pointer. This will remove the following sparse
warning at different locations (see "make C=1"):
* warning: Using plain integer as NULL pointer
Signed-off-by: Márton Németh <nm127@freemail.hu>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/dvb/ngene/ngene-core.c b/drivers/media/dvb/ngene/ngene-core.c
index 645e8b8..52f60d4 100644
--- a/drivers/media/dvb/ngene/ngene-core.c
+++ b/drivers/media/dvb/ngene/ngene-core.c
@@ -819,7 +819,7 @@
msg[0].buf, msg[0].len))
goto done;
if (num == 1 && (msg[0].flags & I2C_M_RD))
- if (!ngene_command_i2c_read(dev, msg[0].addr, 0, 0,
+ if (!ngene_command_i2c_read(dev, msg[0].addr, NULL, 0,
msg[0].buf, msg[0].len, 0))
goto done;
@@ -882,7 +882,7 @@
if (chan->users > 0)
#endif
dvb_dmx_swfilter(&chan->demux, buf, len);
- return 0;
+ return NULL;
}
u8 fill_ts[188] = { 0x47, 0x1f, 0xff, 0x10 };
@@ -970,7 +970,7 @@
state);
if (!state) {
spin_lock_irq(&chan->state_lock);
- chan->pBufferExchange = 0;
+ chan->pBufferExchange = NULL;
dvb_ringbuffer_flush(&dev->tsout_rbuf);
spin_unlock_irq(&chan->state_lock);
}
@@ -1020,7 +1020,7 @@
dvbdemux->feednum = 256;
dvbdemux->start_feed = start_feed;
dvbdemux->stop_feed = stop_feed;
- dvbdemux->write_to_decoder = 0;
+ dvbdemux->write_to_decoder = NULL;
dvbdemux->dmx.capabilities = (DMX_TS_FILTERING |
DMX_SECTION_FILTERING |
DMX_MEMORY_BASED_FILTERING);
@@ -1094,8 +1094,8 @@
return;
free_ringbuffer(dev, rb);
for (j = 0; j < tb->NumBuffers; j++, Cur = Cur->Next) {
- Cur->Buffer2 = 0;
- Cur->scList2 = 0;
+ Cur->Buffer2 = NULL;
+ Cur->scList2 = NULL;
Cur->ngeneBuffer.Address_of_first_entry_2 = 0;
Cur->ngeneBuffer.Number_of_entries_2 = 0;
}
@@ -1141,7 +1141,7 @@
u64 PARingBufferNext;
struct SBufferHeader *Cur, *Next;
- descr->Head = 0;
+ descr->Head = NULL;
descr->MemSize = 0;
descr->PAHead = 0;
descr->NumBuffers = 0;
@@ -1719,7 +1719,7 @@
if (chan->fe) {
dvb_unregister_frontend(chan->fe);
dvb_frontend_detach(chan->fe);
- chan->fe = 0;
+ chan->fe = NULL;
}
dvbdemux->dmx.close(&dvbdemux->dmx);
dvbdemux->dmx.remove_frontend(&dvbdemux->dmx,
@@ -1820,7 +1820,7 @@
release_channel(&dev->channel[i]);
ngene_stop(dev);
ngene_release_buffers(dev);
- pci_set_drvdata(pdev, 0);
+ pci_set_drvdata(pdev, NULL);
pci_disable_device(pdev);
}
@@ -1868,7 +1868,7 @@
ngene_release_buffers(dev);
fail0:
pci_disable_device(pci_dev);
- pci_set_drvdata(pci_dev, 0);
+ pci_set_drvdata(pci_dev, NULL);
return stat;
}
