[media] v4l/dvb: fix compiler warnings

media_build/v4l/drxk_hard.c: In function 'DownloadMicrocode':
media_build/v4l/drxk_hard.c:1388:6: warning: variable 'BlockCRC' set but not used [-Wunused-but-set-variable]
media_build/v4l/drxk_hard.c:1384:6: warning: variable 'Drain' set but not used [-Wunused-but-set-variable]
media_build/v4l/drxk_hard.c:1383:6: warning: variable 'Flags' set but not used [-Wunused-but-set-variable]
media_build/v4l/lmedm04.c: In function 'lme2510_probe':
media_build/v4l/lmedm04.c:1208:6: warning: variable 'ret' set but not used [-Wunused-but-set-variable]
media_build/v4l/hopper_cards.c: In function 'hopper_irq_handler':
media_build/v4l/hopper_cards.c:68:26: warning: variable 'lstat' set but not used [-Wunused-but-set-variable]
media_build/v4l/mantis_cards.c: In function 'mantis_irq_handler':
media_build/v4l/mantis_cards.c:76:26: warning: variable 'lstat' set but not used [-Wunused-but-set-variable]
media_build/v4l/mantis_dma.c: In function 'mantis_dma_stop':
media_build/v4l/mantis_dma.c:202:16: warning: variable 'mask' set but not used [-Wunused-but-set-variable]
media_build/v4l/mantis_dma.c:202:6: warning: variable 'stat' set but not used [-Wunused-but-set-variable]
media_build/v4l/mantis_evm.c: In function 'mantis_hifevm_work':
media_build/v4l/mantis_evm.c:44:17: warning: variable 'gpif_mask' set but not used [-Wunused-but-set-variable]
media_build/v4l/stb0899_drv.c: In function 'stb0899_init_calc':
media_build/v4l/stb0899_drv.c:640:5: warning: variable 'agc1cn' set but not used [-Wunused-but-set-variable]
media_build/v4l/stb0899_drv.c: In function 'stb0899_diseqc_init':
media_build/v4l/stb0899_drv.c:830:13: warning: variable 'f22_rx' set but not used [-Wunused-but-set-variable]
media_build/v4l/stb0899_drv.c:826:31: warning: variable 'tx_data' set but not used [-Wunused-but-set-variable]
media_build/v4l/stv0900_sw.c: In function 'stv0900_track_optimization':
media_build/v4l/stv0900_sw.c:838:26: warning: variable 'rolloff' set but not used [-Wunused-but-set-variable]
media_build/v4l/ir-sanyo-decoder.c: In function 'ir_sanyo_decode':
media_build/v4l/ir-sanyo-decoder.c:59:14: warning: variable 'not_address' set but not used [-Wunused-but-set-variable]
media_build/v4l/mceusb.c: In function 'mceusb_dev_printdata':
media_build/v4l/mceusb.c:523:46: warning: variable 'data5' set but not used [-Wunused-but-set-variable]

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

11 files changed, 19 insertions, 31 deletions

diff --git a/drivers/media/dvb/dvb-usb/lmedm04.c b/drivers/media/dvb/dvb-usb/lmedm04.c
index 5dde06d066f..003fb9bb711 100644
--- a/drivers/media/dvb/dvb-usb/lmedm04.c
+++ b/drivers/media/dvb/dvb-usb/lmedm04.c
@@ -1205,14 +1205,13 @@ static int lme2510_probe(struct usb_interface *intf,
                 const struct usb_device_id *id)
 {
         struct usb_device *udev = interface_to_usbdev(intf);
-        int ret = 0;
 
         usb_reset_configuration(udev);
 
         usb_set_interface(udev, intf->cur_altsetting->desc.bInterfaceNumber, 1);
 
         if (udev->speed != USB_SPEED_HIGH) {
-                ret = usb_reset_device(udev);
+                usb_reset_device(udev);
                 info("DEV Failed to connect in HIGH SPEED mode");
                 return -ENODEV;
         }
diff --git a/drivers/media/dvb/frontends/drxk_hard.c b/drivers/media/dvb/frontends/drxk_hard.c
index 36d11756492..88bd1c888ca 100644
--- a/drivers/media/dvb/frontends/drxk_hard.c
+++ b/drivers/media/dvb/frontends/drxk_hard.c
@@ -1380,20 +1380,20 @@ static int DownloadMicrocode(struct drxk_state *state,
                              const u8 pMCImage[], u32 Length)
 {
         const u8 *pSrc = pMCImage;
-        u16 Flags;
-        u16 Drain;
         u32 Address;
         u16 nBlocks;
         u16 BlockSize;
-        u16 BlockCRC;
         u32 offset = 0;
         u32 i;
         int status = 0;
 
         dprintk(1, "\n");
 
-        /* down the drain (we don care about MAGIC_WORD) */
+        /* down the drain (we don't care about MAGIC_WORD) */
+#if 0
+        /* For future reference */
         Drain = (pSrc[0] << 8) | pSrc[1];
+#endif
         pSrc += sizeof(u16);
         offset += sizeof(u16);
         nBlocks = (pSrc[0] << 8) | pSrc[1];
@@ -1410,11 +1410,17 @@ static int DownloadMicrocode(struct drxk_state *state,
                 pSrc += sizeof(u16);
                 offset += sizeof(u16);
 
+#if 0
+                /* For future reference */
                 Flags = (pSrc[0] << 8) | pSrc[1];
+#endif
                 pSrc += sizeof(u16);
                 offset += sizeof(u16);
 
+#if 0
+                /* For future reference */
                 BlockCRC = (pSrc[0] << 8) | pSrc[1];
+#endif
                 pSrc += sizeof(u16);
                 offset += sizeof(u16);
 
diff --git a/drivers/media/dvb/frontends/stb0899_drv.c b/drivers/media/dvb/frontends/stb0899_drv.c
index dd08f4ac64a..8b0dc74a329 100644
--- a/drivers/media/dvb/frontends/stb0899_drv.c
+++ b/drivers/media/dvb/frontends/stb0899_drv.c
@@ -637,11 +637,9 @@ static void stb0899_init_calc(struct stb0899_state *state)
         struct stb0899_internal *internal = &state->internal;
         int master_clk;
         u8 agc[2];
-        u8 agc1cn;
         u32 reg;
 
         /* Read registers (in burst mode)       */
-        agc1cn = stb0899_read_reg(state, STB0899_AGC1CN);
         stb0899_read_regs(state, STB0899_AGC1REF, agc, 2); /* AGC1R and AGC2O   */
 
         /* Initial calculations */
@@ -823,15 +821,12 @@ static int stb0899_send_diseqc_burst(struct dvb_frontend *fe, fe_sec_mini_cmd_t
 
 static int stb0899_diseqc_init(struct stb0899_state *state)
 {
-        struct dvb_diseqc_master_cmd tx_data;
 /*
         struct dvb_diseqc_slave_reply rx_data;
 */
-        u8 f22_tx, f22_rx, reg;
+        u8 f22_tx, reg;
 
         u32 mclk, tx_freq = 22000;/* count = 0, i; */
-        tx_data.msg[0] = 0xe2;
-        tx_data.msg_len = 3;
         reg = stb0899_read_reg(state, STB0899_DISCNTRL2);
         STB0899_SETFIELD_VAL(ONECHIP_TRX, reg, 0);
         stb0899_write_reg(state, STB0899_DISCNTRL2, reg);
@@ -849,7 +844,6 @@ static int stb0899_diseqc_init(struct stb0899_state *state)
         f22_tx = mclk / (tx_freq * 32);
         stb0899_write_reg(state, STB0899_DISF22, f22_tx); /* DiSEqC Tx freq     */
         state->rx_freq = 20000;
-        f22_rx = mclk / (state->rx_freq * 32);
 
         return 0;
 }
diff --git a/drivers/media/dvb/frontends/stv0900_sw.c b/drivers/media/dvb/frontends/stv0900_sw.c
index ba0709b2d43..4af20780fb9 100644
--- a/drivers/media/dvb/frontends/stv0900_sw.c
+++ b/drivers/media/dvb/frontends/stv0900_sw.c
@@ -835,7 +835,6 @@ static void stv0900_track_optimization(struct dvb_frontend *fe)
                 blind_tun_sw = 0,
                 modulation;
 
-        enum fe_stv0900_rolloff rolloff;
         enum fe_stv0900_modcode foundModcod;
 
         dprintk("%s\n", __func__);
@@ -940,7 +939,6 @@ static void stv0900_track_optimization(struct dvb_frontend *fe)
 
         freq1 = stv0900_read_reg(intp, CFR2);
         freq0 = stv0900_read_reg(intp, CFR1);
-        rolloff = stv0900_get_bits(intp, ROLLOFF_STATUS);
         if (intp->srch_algo[demod] == STV0900_BLIND_SEARCH) {
                 stv0900_write_reg(intp, SFRSTEP, 0x00);
                 stv0900_write_bits(intp, SCAN_ENABLE, 0);
diff --git a/drivers/media/dvb/mantis/hopper_cards.c b/drivers/media/dvb/mantis/hopper_cards.c
index 71622f65c03..cc0251e0107 100644
--- a/drivers/media/dvb/mantis/hopper_cards.c
+++ b/drivers/media/dvb/mantis/hopper_cards.c
@@ -65,7 +65,7 @@ static int devs;
 
 static irqreturn_t hopper_irq_handler(int irq, void *dev_id)
 {
-        u32 stat = 0, mask = 0, lstat = 0;
+        u32 stat = 0, mask = 0;
         u32 rst_stat = 0, rst_mask = 0;
 
         struct mantis_pci *mantis;
@@ -80,7 +80,6 @@ static irqreturn_t hopper_irq_handler(int irq, void *dev_id)
 
         stat = mmread(MANTIS_INT_STAT);
         mask = mmread(MANTIS_INT_MASK);
-        lstat = stat & ~MANTIS_INT_RISCSTAT;
         if (!(stat & mask))
                 return IRQ_NONE;
 
diff --git a/drivers/media/dvb/mantis/mantis_cards.c b/drivers/media/dvb/mantis/mantis_cards.c
index c2bb90b3e52..095cf3a994e 100644
--- a/drivers/media/dvb/mantis/mantis_cards.c
+++ b/drivers/media/dvb/mantis/mantis_cards.c
@@ -73,7 +73,7 @@ static char *label[10] = {
 
 static irqreturn_t mantis_irq_handler(int irq, void *dev_id)
 {
-        u32 stat = 0, mask = 0, lstat = 0;
+        u32 stat = 0, mask = 0;
         u32 rst_stat = 0, rst_mask = 0;
 
         struct mantis_pci *mantis;
@@ -88,7 +88,6 @@ static irqreturn_t mantis_irq_handler(int irq, void *dev_id)
 
         stat = mmread(MANTIS_INT_STAT);
         mask = mmread(MANTIS_INT_MASK);
-        lstat = stat & ~MANTIS_INT_RISCSTAT;
         if (!(stat & mask))
                 return IRQ_NONE;
 
diff --git a/drivers/media/dvb/mantis/mantis_dma.c b/drivers/media/dvb/mantis/mantis_dma.c
index c61ca7d3dae..566c407175a 100644
--- a/drivers/media/dvb/mantis/mantis_dma.c
+++ b/drivers/media/dvb/mantis/mantis_dma.c
@@ -199,10 +199,6 @@ void mantis_dma_start(struct mantis_pci *mantis)
 
 void mantis_dma_stop(struct mantis_pci *mantis)
 {
-        u32 stat = 0, mask = 0;
-
-        stat = mmread(MANTIS_INT_STAT);
-        mask = mmread(MANTIS_INT_MASK);
         dprintk(MANTIS_DEBUG, 1, "Mantis Stop DMA engine");
 
         mmwrite((mmread(MANTIS_GPIF_ADDR) & (~(MANTIS_GPIF_HIFRDWRN))), MANTIS_GPIF_ADDR);
diff --git a/drivers/media/dvb/mantis/mantis_evm.c b/drivers/media/dvb/mantis/mantis_evm.c
index 36f2256ebb0..71ce52875c3 100644
--- a/drivers/media/dvb/mantis/mantis_evm.c
+++ b/drivers/media/dvb/mantis/mantis_evm.c
@@ -41,10 +41,9 @@ static void mantis_hifevm_work(struct work_struct *work)
         struct mantis_ca *ca = container_of(work, struct mantis_ca, hif_evm_work);
         struct mantis_pci *mantis = ca->ca_priv;
 
-        u32 gpif_stat, gpif_mask;
+        u32 gpif_stat;
 
         gpif_stat = mmread(MANTIS_GPIF_STATUS);
-        gpif_mask = mmread(MANTIS_GPIF_IRQCFG);
 
         if (gpif_stat & MANTIS_GPIF_DETSTAT) {
                 if (gpif_stat & MANTIS_CARD_PLUGIN) {
diff --git a/drivers/media/rc/ir-sanyo-decoder.c b/drivers/media/rc/ir-sanyo-decoder.c
index d38fbdd0b25..7e54ec57bcf 100644
--- a/drivers/media/rc/ir-sanyo-decoder.c
+++ b/drivers/media/rc/ir-sanyo-decoder.c
@@ -56,7 +56,7 @@ static int ir_sanyo_decode(struct rc_dev *dev, struct ir_raw_event ev)
 {
         struct sanyo_dec *data = &dev->raw->sanyo;
         u32 scancode;
-        u8 address, not_address, command, not_command;
+        u8 address, command, not_command;
 
         if (!(dev->raw->enabled_protocols & RC_TYPE_SANYO))
                 return 0;
@@ -154,7 +154,7 @@ static int ir_sanyo_decode(struct rc_dev *dev, struct ir_raw_event ev)
                         break;
 
                 address     = bitrev16((data->bits >> 29) & 0x1fff) >> 3;
-                not_address = bitrev16((data->bits >> 16) & 0x1fff) >> 3;
+                /* not_address = bitrev16((data->bits >> 16) & 0x1fff) >> 3; */
                 command     = bitrev8((data->bits >>  8) & 0xff);
                 not_command = bitrev8((data->bits >>  0) & 0xff);
 
diff --git a/drivers/media/rc/mceusb.c b/drivers/media/rc/mceusb.c
index e150a2e29a4..3e29cc55fdd 100644
--- a/drivers/media/rc/mceusb.c
+++ b/drivers/media/rc/mceusb.c
@@ -520,7 +520,7 @@ static void mceusb_dev_printdata(struct mceusb_dev *ir, char *buf,
 {
         char codes[USB_BUFLEN * 3 + 1];
         char inout[9];
-        u8 cmd, subcmd, data1, data2, data3, data4, data5;
+        u8 cmd, subcmd, data1, data2, data3, data4;
         struct device *dev = ir->dev;
         int i, start, skip = 0;
         u32 carrier, period;
@@ -553,7 +553,6 @@ static void mceusb_dev_printdata(struct mceusb_dev *ir, char *buf,
         data2  = buf[start + 3] & 0xff;
         data3  = buf[start + 4] & 0xff;
         data4  = buf[start + 5] & 0xff;
-        data5  = buf[start + 6] & 0xff;
 
         switch (cmd) {
         case MCE_CMD_NULL:
diff --git a/drivers/media/video/videobuf-dvb.c b/drivers/media/video/videobuf-dvb.c
index 59cb54aa294..94d83a41381 100644
--- a/drivers/media/video/videobuf-dvb.c
+++ b/drivers/media/video/videobuf-dvb.c
@@ -45,7 +45,6 @@ static int videobuf_dvb_thread(void *data)
         struct videobuf_dvb *dvb = data;
         struct videobuf_buffer *buf;
         unsigned long flags;
-        int err;
         void *outp;
 
         dprintk("dvb thread started\n");
@@ -57,7 +56,7 @@ static int videobuf_dvb_thread(void *data)
                 buf = list_entry(dvb->dvbq.stream.next,
                                  struct videobuf_buffer, stream);
                 list_del(&buf->stream);
-                err = videobuf_waiton(&dvb->dvbq, buf, 0, 1);
+                videobuf_waiton(&dvb->dvbq, buf, 0, 1);
 
                 /* no more feeds left or stop_feed() asked us to quit */
                 if (0 == dvb->nfeeds)