summaryrefslogtreecommitdiffstats
path: root/drivers/input/misc
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/input/misc')
-rw-r--r--drivers/input/misc/keyspan_remote.c1
-rw-r--r--drivers/input/misc/soc_button_array.c3
-rw-r--r--drivers/input/misc/uinput.c47
3 files changed, 31 insertions, 20 deletions
diff --git a/drivers/input/misc/keyspan_remote.c b/drivers/input/misc/keyspan_remote.c
index 01f3b5b300f3..a3fe4a990cc9 100644
--- a/drivers/input/misc/keyspan_remote.c
+++ b/drivers/input/misc/keyspan_remote.c
@@ -392,7 +392,6 @@ static void keyspan_irq_recv(struct urb *urb)
default:
goto resubmit;
- break;
}
if (debug)
diff --git a/drivers/input/misc/soc_button_array.c b/drivers/input/misc/soc_button_array.c
index 5a6334be30b8..e34dfc29beb3 100644
--- a/drivers/input/misc/soc_button_array.c
+++ b/drivers/input/misc/soc_button_array.c
@@ -83,6 +83,9 @@ soc_button_device_create(struct pnp_dev *pdev,
sizeof(*gpio_keys_pdata) +
sizeof(*gpio_keys) * MAX_NBUTTONS,
GFP_KERNEL);
+ if (!gpio_keys_pdata)
+ return ERR_PTR(-ENOMEM);
+
gpio_keys = (void *)(gpio_keys_pdata + 1);
for (info = button_info; info->name; info++) {
diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
index 856936247500..421e29e4cd81 100644
--- a/drivers/input/misc/uinput.c
+++ b/drivers/input/misc/uinput.c
@@ -311,7 +311,14 @@ static int uinput_open(struct inode *inode, struct file *file)
static int uinput_validate_absbits(struct input_dev *dev)
{
unsigned int cnt;
- int retval = 0;
+ int nslot;
+
+ if (!test_bit(EV_ABS, dev->evbit))
+ return 0;
+
+ /*
+ * Check if absmin/absmax/absfuzz/absflat are sane.
+ */
for (cnt = 0; cnt < ABS_CNT; cnt++) {
int min, max;
@@ -327,8 +334,7 @@ static int uinput_validate_absbits(struct input_dev *dev)
UINPUT_NAME, cnt,
input_abs_get_min(dev, cnt),
input_abs_get_max(dev, cnt));
- retval = -EINVAL;
- break;
+ return -EINVAL;
}
if (input_abs_get_flat(dev, cnt) >
@@ -340,11 +346,18 @@ static int uinput_validate_absbits(struct input_dev *dev)
input_abs_get_flat(dev, cnt),
input_abs_get_min(dev, cnt),
input_abs_get_max(dev, cnt));
- retval = -EINVAL;
- break;
+ return -EINVAL;
}
}
- return retval;
+
+ if (test_bit(ABS_MT_SLOT, dev->absbit)) {
+ nslot = input_abs_get_max(dev, ABS_MT_SLOT) + 1;
+ input_mt_init_slots(dev, nslot, 0);
+ } else if (test_bit(ABS_MT_POSITION_X, dev->absbit)) {
+ input_set_events_per_packet(dev, 60);
+ }
+
+ return 0;
}
static int uinput_allocate_device(struct uinput_device *udev)
@@ -410,19 +423,9 @@ static int uinput_setup_device(struct uinput_device *udev,
input_abs_set_flat(dev, i, user_dev->absflat[i]);
}
- /* check if absmin/absmax/absfuzz/absflat are filled as
- * told in Documentation/input/input-programming.txt */
- if (test_bit(EV_ABS, dev->evbit)) {
- retval = uinput_validate_absbits(dev);
- if (retval < 0)
- goto exit;
- if (test_bit(ABS_MT_SLOT, dev->absbit)) {
- int nslot = input_abs_get_max(dev, ABS_MT_SLOT) + 1;
- input_mt_init_slots(dev, nslot, 0);
- } else if (test_bit(ABS_MT_POSITION_X, dev->absbit)) {
- input_set_events_per_packet(dev, 60);
- }
- }
+ retval = uinput_validate_absbits(dev);
+ if (retval < 0)
+ goto exit;
udev->state = UIST_SETUP_COMPLETE;
retval = count;
@@ -720,6 +723,12 @@ static long uinput_ioctl_handler(struct file *file, unsigned int cmd,
}
switch (cmd) {
+ case UI_GET_VERSION:
+ if (put_user(UINPUT_VERSION,
+ (unsigned int __user *)p))
+ retval = -EFAULT;
+ goto out;
+
case UI_DEV_CREATE:
retval = uinput_create_device(udev);
goto out;