1 files changed, 45 insertions, 24 deletions

diff --git a/drivers/input/joydev.c b/drivers/input/joydev.c
index 949bdcef8c2b..d67157513bf7 100644
--- a/drivers/input/joydev.c
+++ b/drivers/input/joydev.c
@@ -81,10 +81,7 @@ static int joydev_correct(int value, struct js_corr *corr)
                         return 0;
         }
 
-        if (value < -32767) return -32767;
-        if (value >  32767) return  32767;
-
-        return value;
+        return value < -32767 ? -32767 : (value > 32767 ? 32767 : value);
 }
 
 static void joydev_event(struct input_handle *handle, unsigned int type, unsigned int code, int value)
@@ -96,7 +93,8 @@ static void joydev_event(struct input_handle *handle, unsigned int type, unsigne
         switch (type) {
 
                 case EV_KEY:
-                        if (code < BTN_MISC || value == 2) return;
+                        if (code < BTN_MISC || value == 2)
+                                return;
                         event.type = JS_EVENT_BUTTON;
                         event.number = joydev->keymap[code - BTN_MISC];
                         event.value = value;
@@ -106,7 +104,8 @@ static void joydev_event(struct input_handle *handle, unsigned int type, unsigne
                         event.type = JS_EVENT_AXIS;
                         event.number = joydev->absmap[code];
                         event.value = joydev_correct(value, joydev->corr + event.number);
-                        if (event.value == joydev->abs[event.number]) return;
+                        if (event.value == joydev->abs[event.number])
+                                return;
                         joydev->abs[event.number] = event.value;
                         break;
 
@@ -134,7 +133,9 @@ static int joydev_fasync(int fd, struct file *file, int on)
 {
         int retval;
         struct joydev_list *list = file->private_data;
+
         retval = fasync_helper(fd, file, on, &list->fasync);
+
         return retval < 0 ? retval : 0;
 }
 
@@ -222,12 +223,12 @@ static ssize_t joydev_read(struct file *file, char __user *buf, size_t count, lo
                 return sizeof(struct JS_DATA_TYPE);
         }
 
-        if (list->startup == joydev->nabs + joydev->nkey
-                && list->head == list->tail && (file->f_flags & O_NONBLOCK))
-                        return -EAGAIN;
+        if (list->startup == joydev->nabs + joydev->nkey &&
+            list->head == list->tail && (file->f_flags & O_NONBLOCK))
+                return -EAGAIN;
 
         retval = wait_event_interruptible(list->joydev->wait,
-                                          !list->joydev->exist ||
+                                          !list->joydev->exist ||
                                           list->startup < joydev->nabs + joydev->nkey ||
                                           list->head != list->tail);
 
@@ -276,8 +277,9 @@ static ssize_t joydev_read(struct file *file, char __user *buf, size_t count, lo
 static unsigned int joydev_poll(struct file *file, poll_table *wait)
 {
         struct joydev_list *list = file->private_data;
+
         poll_wait(file, &list->joydev->wait, wait);
-        return ((list->head != list->tail || list->startup < list->joydev->nabs + list->joydev->nkey) ? 
+        return ((list->head != list->tail || list->startup < list->joydev->nabs + list->joydev->nkey) ?
                 (POLLIN | POLLRDNORM) : 0) | (list->joydev->exist ? 0 : (POLLHUP | POLLERR));
 }
 
@@ -291,20 +293,26 @@ static int joydev_ioctl_common(struct joydev *joydev, unsigned int cmd, void __u
                 case JS_SET_CAL:
                         return copy_from_user(&joydev->glue.JS_CORR, argp,
                                 sizeof(joydev->glue.JS_CORR)) ? -EFAULT : 0;
+
                 case JS_GET_CAL:
                         return copy_to_user(argp, &joydev->glue.JS_CORR,
                                 sizeof(joydev->glue.JS_CORR)) ? -EFAULT : 0;
+
                 case JS_SET_TIMEOUT:
                         return get_user(joydev->glue.JS_TIMEOUT, (s32 __user *) argp);
+
                 case JS_GET_TIMEOUT:
                         return put_user(joydev->glue.JS_TIMEOUT, (s32 __user *) argp);
 
                 case JSIOCGVERSION:
                         return put_user(JS_VERSION, (__u32 __user *) argp);
+
                 case JSIOCGAXES:
                         return put_user(joydev->nabs, (__u8 __user *) argp);
+
                 case JSIOCGBUTTONS:
                         return put_user(joydev->nkey, (__u8 __user *) argp);
+
                 case JSIOCSCORR:
                         if (copy_from_user(joydev->corr, argp,
                                       sizeof(joydev->corr[0]) * joydev->nabs))
@@ -314,38 +322,49 @@ static int joydev_ioctl_common(struct joydev *joydev, unsigned int cmd, void __u
                                 joydev->abs[i] = joydev_correct(dev->abs[j], joydev->corr + i);
                         }
                         return 0;
+
                 case JSIOCGCORR:
                         return copy_to_user(argp, joydev->corr,
                                                 sizeof(joydev->corr[0]) * joydev->nabs) ? -EFAULT : 0;
+
                 case JSIOCSAXMAP:
                         if (copy_from_user(joydev->abspam, argp, sizeof(__u8) * (ABS_MAX + 1)))
                                 return -EFAULT;
                         for (i = 0; i < joydev->nabs; i++) {
-                                if (joydev->abspam[i] > ABS_MAX) return -EINVAL;
+                                if (joydev->abspam[i] > ABS_MAX)
+                                        return -EINVAL;
                                 joydev->absmap[joydev->abspam[i]] = i;
                         }
                         return 0;
+
                 case JSIOCGAXMAP:
                         return copy_to_user(argp, joydev->abspam,
                                                 sizeof(__u8) * (ABS_MAX + 1)) ? -EFAULT : 0;
+
                 case JSIOCSBTNMAP:
                         if (copy_from_user(joydev->keypam, argp, sizeof(__u16) * (KEY_MAX - BTN_MISC + 1)))
                                 return -EFAULT;
                         for (i = 0; i < joydev->nkey; i++) {
-                                if (joydev->keypam[i] > KEY_MAX || joydev->keypam[i] < BTN_MISC) return -EINVAL;
+                                if (joydev->keypam[i] > KEY_MAX || joydev->keypam[i] < BTN_MISC)
+                                        return -EINVAL;
                                 joydev->keymap[joydev->keypam[i] - BTN_MISC] = i;
                         }
                         return 0;
+
                 case JSIOCGBTNMAP:
                         return copy_to_user(argp, joydev->keypam,
                                                 sizeof(__u16) * (KEY_MAX - BTN_MISC + 1)) ? -EFAULT : 0;
+
                 default:
                         if ((cmd & ~(_IOC_SIZEMASK << _IOC_SIZESHIFT)) == JSIOCGNAME(0)) {
                                 int len;
-                                if (!dev->name) return 0;
+                                if (!dev->name)
+                                        return 0;
                                 len = strlen(dev->name) + 1;
-                                if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd);
-                                if (copy_to_user(argp, dev->name, len)) return -EFAULT;
+                                if (len > _IOC_SIZE(cmd))
+                                        len = _IOC_SIZE(cmd);
+                                if (copy_to_user(argp, dev->name, len))
+                                        return -EFAULT;
                                 return len;
                         }
         }
@@ -362,7 +381,9 @@ static long joydev_compat_ioctl(struct file *file, unsigned int cmd, unsigned lo
         struct JS_DATA_SAVE_TYPE_32 ds32;
         int err;
 
-        if (!joydev->exist) return -ENODEV;
+        if (!joydev->exist)
+                return -ENODEV;
+
         switch(cmd) {
         case JS_SET_TIMELIMIT:
                 err = get_user(tmp32, (s32 __user *) arg);
@@ -395,8 +416,7 @@ static long joydev_compat_ioctl(struct file *file, unsigned int cmd, unsigned lo
                 ds32.JS_SAVE       = joydev->glue.JS_SAVE;
                 ds32.JS_CORR       = joydev->glue.JS_CORR;
 
-                err = copy_to_user(argp, &ds32,
-                                          sizeof(ds32)) ? -EFAULT : 0;
+                err = copy_to_user(argp, &ds32, sizeof(ds32)) ? -EFAULT : 0;
                 break;
 
         default:
@@ -412,7 +432,8 @@ static int joydev_ioctl(struct inode *inode, struct file *file, unsigned int cmd
         struct joydev *joydev = list->joydev;
         void __user *argp = (void __user *)arg;
 
-        if (!joydev->exist) return -ENODEV;
+        if (!joydev->exist)
+                return -ENODEV;
 
         switch(cmd) {
                 case JS_SET_TIMELIMIT:
@@ -546,8 +567,8 @@ static struct input_device_id joydev_blacklist[] = {
                 .flags = INPUT_DEVICE_ID_MATCH_EVBIT | INPUT_DEVICE_ID_MATCH_KEYBIT,
                 .evbit = { BIT(EV_KEY) },
                 .keybit = { [LONG(BTN_TOUCH)] = BIT(BTN_TOUCH) },
-        },      /* Avoid itouchpads, touchscreens and tablets */
-        { },    /* Terminating entry */
+        },      /* Avoid itouchpads, touchscreens and tablets */
+        { }     /* Terminating entry */
 };
 
 static struct input_device_id joydev_ids[] = {
@@ -566,7 +587,7 @@ static struct input_device_id joydev_ids[] = {
                 .evbit = { BIT(EV_ABS) },
                 .absbit = { BIT(ABS_THROTTLE) },
         },
-        { },    /* Terminating entry */
+        { }     /* Terminating entry */
 };
 
 MODULE_DEVICE_TABLE(input, joydev_ids);
@@ -579,7 +600,7 @@ static struct input_handler joydev_handler = {
         .minor =        JOYDEV_MINOR_BASE,
         .name =         "joydev",
         .id_table =     joydev_ids,
-        .blacklist =    joydev_blacklist,
+        .blacklist =    joydev_blacklist,
 };
 
 static int __init joydev_init(void)