V4L/DVB (13241): Cleanup redundant tests on unsigned

The variables are unsigned so the test `>= 0' is always true,
the `< 0' test always fails. In these cases the other part of
the test catches wrapped values.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/common/tuners/tda9887.c b/drivers/media/common/tuners/tda9887.c
index 544cdbe..a71c100 100644 (file)
--- a/drivers/media/common/tuners/tda9887.c
+++ b/drivers/media/common/tuners/tda9887.c
@@ -463,7 +463,7 @@ static int tda9887_set_insmod(struct dvb_frontend *fe)
                        buf[1] &= ~cQSS;
        }
 
-       if (adjust >= 0x00 && adjust < 0x20) {
+       if (adjust < 0x20) {
                buf[2] &= ~cTopMask;
                buf[2] |= adjust;
        }

diff --git a/drivers/media/dvb/siano/smscoreapi.c b/drivers/media/dvb/siano/smscoreapi.c
index fa6a623..ca758bc 100644 (file)
--- a/drivers/media/dvb/siano/smscoreapi.c
+++ b/drivers/media/dvb/siano/smscoreapi.c
@@ -1373,7 +1373,7 @@ static int GetGpioPinParams(u32 PinNum, u32 *pTranslatedPinNum,
 
        *pGroupCfg = 1;
 
-       if (PinNum >= 0 && PinNum <= 1) {
+       if (PinNum <= 1)        {
                *pTranslatedPinNum = 0;
                *pGroupNum = 9;
                *pGroupCfg = 2;

diff --git a/drivers/media/video/bt819.c b/drivers/media/video/bt819.c
index f9330e3..5bb0f9e 100644 (file)
--- a/drivers/media/video/bt819.c
+++ b/drivers/media/video/bt819.c
@@ -299,7 +299,7 @@ static int bt819_s_routing(struct v4l2_subdev *sd,
 
        v4l2_dbg(1, debug, sd, "set input %x\n", input);
 
-       if (input < 0 || input > 7)
+       if (input > 7)
                return -EINVAL;
 
        if (sd->v4l2_dev == NULL || sd->v4l2_dev->notify == NULL)

diff --git a/drivers/media/video/hexium_gemini.c b/drivers/media/video/hexium_gemini.c
index 71c2114..60d992e 100644 (file)
--- a/drivers/media/video/hexium_gemini.c
+++ b/drivers/media/video/hexium_gemini.c
@@ -251,7 +251,7 @@ static int vidioc_s_input(struct file *file, void *fh, unsigned int input)
 
        DEB_EE(("VIDIOC_S_INPUT %d.\n", input));
 
-       if (input < 0 || input >= HEXIUM_INPUTS)
+       if (input >= HEXIUM_INPUTS)
                return -EINVAL;
 
        hexium->cur_input = input;

diff --git a/drivers/media/video/hexium_orion.c b/drivers/media/video/hexium_orion.c
index 39d65ca..938a1f8 100644 (file)
--- a/drivers/media/video/hexium_orion.c
+++ b/drivers/media/video/hexium_orion.c
@@ -350,7 +350,7 @@ static int vidioc_s_input(struct file *file, void *fh, unsigned int input)
        struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
        struct hexium *hexium = (struct hexium *) dev->ext_priv;
 
-       if (input < 0 || input >= HEXIUM_INPUTS)
+       if (input >= HEXIUM_INPUTS)
                return -EINVAL;
 
        hexium->cur_input = input;

diff --git a/drivers/media/video/mxb.c b/drivers/media/video/mxb.c
index 3454070..c1fc6dc 100644 (file)
--- a/drivers/media/video/mxb.c
+++ b/drivers/media/video/mxb.c
@@ -478,7 +478,7 @@ static int vidioc_s_input(struct file *file, void *fh, unsigned int input)
 
        DEB_EE(("VIDIOC_S_INPUT %d.\n", input));
 
-       if (input < 0 || input >= MXB_INPUTS)
+       if (input >= MXB_INPUTS)
                return -EINVAL;
 
        mxb->cur_input = input;

diff --git a/drivers/media/video/s2255drv.c b/drivers/media/video/s2255drv.c
index 2c0bb06..d0824f3 100644 (file)
--- a/drivers/media/video/s2255drv.c
+++ b/drivers/media/video/s2255drv.c
@@ -1958,7 +1958,7 @@ static int save_frame(struct s2255_dev *dev, struct s2255_pipeinfo *pipe_info)
                                if (pdword[1] >= MAX_CHANNELS)
                                        break;
                                cc = G_chnmap[pdword[1]];
-                               if (!(cc >= 0 && cc < MAX_CHANNELS))
+                               if (cc >= MAX_CHANNELS)
                                        break;
                                switch (pdword[2]) {
                                case S2255_RESPONSE_SETMODE:

diff --git a/drivers/media/video/saa7110.c b/drivers/media/video/saa7110.c
index 5c24c99..3bca744 100644 (file)
--- a/drivers/media/video/saa7110.c
+++ b/drivers/media/video/saa7110.c
@@ -304,7 +304,7 @@ static int saa7110_s_routing(struct v4l2_subdev *sd,
 {
        struct saa7110 *decoder = to_saa7110(sd);
 
-       if (input < 0 || input >= SAA7110_MAX_INPUT) {
+       if (input >= SAA7110_MAX_INPUT) {
                v4l2_dbg(1, debug, sd, "input=%d not available\n", input);
                return -EINVAL;
        }

diff --git a/drivers/media/video/saa717x.c b/drivers/media/video/saa717x.c
index b15c409..ad6cd37 100644 (file)
--- a/drivers/media/video/saa717x.c
+++ b/drivers/media/video/saa717x.c
@@ -1115,7 +1115,7 @@ static int saa717x_s_video_routing(struct v4l2_subdev *sd,
        v4l2_dbg(1, debug, sd, "decoder set input (%d)\n", input);
        /* inputs from 0-9 are available*/
        /* saa717x have mode0-mode9 but mode5 is reserved. */
-       if (input < 0 || input > 9 || input == 5)
+       if (input > 9 || input == 5)
                return -EINVAL;
 
        if (decoder->input != input) {

diff --git a/drivers/media/video/tuner-core.c b/drivers/media/video/tuner-core.c
index 50f6db5..a9c9703 100644 (file)
--- a/drivers/media/video/tuner-core.c
+++ b/drivers/media/video/tuner-core.c
@@ -328,7 +328,7 @@ static void set_type(struct i2c_client *c, unsigned int type,
 
        t->type = type;
        /* prevent invalid config values */
-       t->config = ((new_config >= 0) && (new_config < 256)) ? new_config : 0;
+       t->config = new_config < 256 ? new_config : 0;
        if (tuner_callback != NULL) {
                tuner_dbg("defining GPIO callback\n");
                t->fe.callback = tuner_callback;

diff --git a/drivers/media/video/usbvision/usbvision-video.c b/drivers/media/video/usbvision/usbvision-video.c
index a2a50d6..c07b0ac 100644 (file)
--- a/drivers/media/video/usbvision/usbvision-video.c
+++ b/drivers/media/video/usbvision/usbvision-video.c
@@ -601,7 +601,7 @@ static int vidioc_s_input (struct file *file, void *priv, unsigned int input)
 {
        struct usb_usbvision *usbvision = video_drvdata(file);
 
-       if ((input >= usbvision->video_inputs) || (input < 0) )
+       if (input >= usbvision->video_inputs)
                return -EINVAL;
 
        mutex_lock(&usbvision->lock);

diff --git a/drivers/media/video/vpx3220.c b/drivers/media/video/vpx3220.c
index 97e0ce2..33205d7 100644 (file)
--- a/drivers/media/video/vpx3220.c
+++ b/drivers/media/video/vpx3220.c
@@ -391,7 +391,7 @@ static int vpx3220_s_routing(struct v4l2_subdev *sd,
                {0x0e, 1}
        };
 
-       if (input < 0 || input > 2)
+       if (input > 2)
                return -EINVAL;
 
        v4l2_dbg(1, debug, sd, "input switched to %s\n", inputs[input]);

diff --git a/drivers/media/video/zoran/zoran_driver.c b/drivers/media/video/zoran/zoran_driver.c
index 47137de..e9f72ca 100644 (file)
--- a/drivers/media/video/zoran/zoran_driver.c
+++ b/drivers/media/video/zoran/zoran_driver.c
@@ -2764,7 +2764,7 @@ static int zoran_enum_input(struct file *file, void *__fh,
        struct zoran_fh *fh = __fh;
        struct zoran *zr = fh->zr;
 
-       if (inp->index < 0 || inp->index >= zr->card.inputs)
+       if (inp->index >= zr->card.inputs)
                return -EINVAL;
        else {
                int id = inp->index;