Input: make name, phys and uniq be 'const char *' because once
set noone should attempt to change them.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c
index 983915b..cefbe98 100644
--- a/drivers/char/sonypi.c
+++ b/drivers/char/sonypi.c
@@ -1228,14 +1228,7 @@
sonypi_device.input_jog_dev.keybit[LONG(BTN_MOUSE)] =
BIT(BTN_MIDDLE);
sonypi_device.input_jog_dev.relbit[0] = BIT(REL_WHEEL);
- sonypi_device.input_jog_dev.name =
- kmalloc(sizeof(SONYPI_JOG_INPUTNAME), GFP_KERNEL);
- if (!sonypi_device.input_jog_dev.name) {
- printk(KERN_ERR "sonypi: kmalloc failed\n");
- ret = -ENOMEM;
- goto out_inkmallocinput1;
- }
- sprintf(sonypi_device.input_jog_dev.name, SONYPI_JOG_INPUTNAME);
+ sonypi_device.input_jog_dev.name = SONYPI_JOG_INPUTNAME;
sonypi_device.input_jog_dev.id.bustype = BUS_ISA;
sonypi_device.input_jog_dev.id.vendor = PCI_VENDOR_ID_SONY;
@@ -1249,14 +1242,7 @@
if (sonypi_inputkeys[i].inputev)
set_bit(sonypi_inputkeys[i].inputev,
sonypi_device.input_key_dev.keybit);
- sonypi_device.input_key_dev.name =
- kmalloc(sizeof(SONYPI_KEY_INPUTNAME), GFP_KERNEL);
- if (!sonypi_device.input_key_dev.name) {
- printk(KERN_ERR "sonypi: kmalloc failed\n");
- ret = -ENOMEM;
- goto out_inkmallocinput2;
- }
- sprintf(sonypi_device.input_key_dev.name, SONYPI_KEY_INPUTNAME);
+ sonypi_device.input_key_dev.name = SONYPI_KEY_INPUTNAME;
sonypi_device.input_key_dev.id.bustype = BUS_ISA;
sonypi_device.input_key_dev.id.vendor = PCI_VENDOR_ID_SONY;
@@ -1314,11 +1300,7 @@
kfifo_free(sonypi_device.input_fifo);
out_infifo:
input_unregister_device(&sonypi_device.input_key_dev);
- kfree(sonypi_device.input_key_dev.name);
-out_inkmallocinput2:
input_unregister_device(&sonypi_device.input_jog_dev);
- kfree(sonypi_device.input_jog_dev.name);
-out_inkmallocinput1:
free_irq(sonypi_device.irq, sonypi_irq);
out_reqirq:
release_region(sonypi_device.ioport1, sonypi_device.region_size);
@@ -1345,9 +1327,7 @@
if (useinput) {
input_unregister_device(&sonypi_device.input_key_dev);
- kfree(sonypi_device.input_key_dev.name);
input_unregister_device(&sonypi_device.input_jog_dev);
- kfree(sonypi_device.input_jog_dev.name);
kfifo_free(sonypi_device.input_fifo);
}
diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
index c3eebf5..d5c5b32 100644
--- a/drivers/input/misc/uinput.c
+++ b/drivers/input/misc/uinput.c
@@ -251,6 +251,7 @@
struct uinput_user_dev *user_dev;
struct input_dev *dev;
struct uinput_device *udev;
+ char *name;
int size;
int retval;
@@ -274,13 +275,13 @@
kfree(dev->name);
size = strnlen(user_dev->name, UINPUT_MAX_NAME_SIZE) + 1;
- dev->name = kmalloc(size, GFP_KERNEL);
- if (!dev->name) {
+ dev->name = name = kmalloc(size, GFP_KERNEL);
+ if (!name) {
retval = -ENOMEM;
goto exit;
}
+ strlcpy(name, user_dev->name, size);
- strlcpy(dev->name, user_dev->name, size);
dev->id.bustype = user_dev->id.bustype;
dev->id.vendor = user_dev->id.vendor;
dev->id.product = user_dev->id.product;
@@ -397,6 +398,7 @@
struct uinput_ff_erase ff_erase;
struct uinput_request *req;
int length;
+ char *phys;
udev = file->private_data;
@@ -494,20 +496,19 @@
retval = -EFAULT;
break;
}
- if (NULL != udev->dev->phys)
- kfree(udev->dev->phys);
- udev->dev->phys = kmalloc(length, GFP_KERNEL);
- if (!udev->dev->phys) {
+ kfree(udev->dev->phys);
+ udev->dev->phys = phys = kmalloc(length, GFP_KERNEL);
+ if (!phys) {
retval = -ENOMEM;
break;
}
- if (copy_from_user(udev->dev->phys, p, length)) {
- retval = -EFAULT;
- kfree(udev->dev->phys);
+ if (copy_from_user(phys, p, length)) {
udev->dev->phys = NULL;
+ kfree(phys);
+ retval = -EFAULT;
break;
}
- udev->dev->phys[length - 1] = '\0';
+ phys[length - 1] = '\0';
break;
case UI_BEGIN_FF_UPLOAD:
diff --git a/include/linux/input.h b/include/linux/input.h
index b9cc0ac..bdc53c6 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -811,9 +811,9 @@
void *private;
- char *name;
- char *phys;
- char *uniq;
+ const char *name;
+ const char *phys;
+ const char *uniq;
struct input_id id;
unsigned long evbit[NBITS(EV_MAX)];