From 7b1fc72c2fdeb91565f4969397757ee938cce67e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?M=C3=A1rton=20N=C3=A9meth?= Date: Sun, 28 Feb 2010 11:34:35 -0300 Subject: [PATCH] V4L/DVB: nGene: use NULL when pointer is needed MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/ngene/ngene-core.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/drivers/media/dvb/ngene/ngene-core.c b/drivers/media/dvb/ngene/ngene-core.c index 645e8b8a7137..52f60d448de0 100644 --- a/drivers/media/dvb/ngene/ngene-core.c +++ b/drivers/media/dvb/ngene/ngene-core.c @@ -819,7 +819,7 @@ static int ngene_i2c_master_xfer(struct i2c_adapter *adapter, 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 @@ static void *tsin_exchange(void *priv, void *buf, u32 len, u32 clock, u32 flags) 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 @@ static void set_transfer(struct ngene_channel *chan, int state) 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 @@ static int my_dvb_dmx_ts_card_init(struct dvb_demux *dvbdemux, char *id, 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 @@ static void free_idlebuffer(struct ngene *dev, 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 @@ static int create_ring_buffer(struct pci_dev *pci_dev, 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 @@ static void release_channel(struct ngene_channel *chan) 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 @@ static void __devexit ngene_remove(struct pci_dev *pdev) 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 @@ static int __devinit ngene_probe(struct pci_dev *pci_dev, ngene_release_buffers(dev); fail0: pci_disable_device(pci_dev); - pci_set_drvdata(pci_dev, 0); + pci_set_drvdata(pci_dev, NULL); return stat; }