Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

Pull input fixes from Dmitry Torokhov:
 "A few more fixes for the input subsystem:

   - restore naming for tsc2005 touchscreens as some userspace match on it
   - fix out of bound access in legacy keyboard driver
   - fixup in RMI4 driver

  Everything is tagged for stable as well"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: tsc200x - report proper input_dev name
  tty/vt/keyboard: fix OOB access in do_compute_shiftstate()
  Input: synaptics-rmi4 - fix maximum size check for F12 control register 8

diff --git a/drivers/input/rmi4/rmi_f12.c b/drivers/input/rmi4/rmi_f12.c
index 8dd3fb5..88e9155 100644 (file)
--- a/drivers/input/rmi4/rmi_f12.c
+++ b/drivers/input/rmi4/rmi_f12.c
@@ -66,7 +66,7 @@ static int rmi_f12_read_sensor_tuning(struct f12_data *f12)
        struct rmi_device *rmi_dev = fn->rmi_dev;
        int ret;
        int offset;
-       u8 buf[14];
+       u8 buf[15];
        int pitch_x = 0;
        int pitch_y = 0;
        int clip_x_low = 0;
@@ -86,9 +86,10 @@ static int rmi_f12_read_sensor_tuning(struct f12_data *f12)
 
        offset = rmi_register_desc_calc_reg_offset(&f12->control_reg_desc, 8);
 
-       if (item->reg_size > 14) {
-               dev_err(&fn->dev, "F12 control8 should be 14 bytes, not: %ld\n",
-                       item->reg_size);
+       if (item->reg_size > sizeof(buf)) {
+               dev_err(&fn->dev,
+                       "F12 control8 should be no bigger than %zd bytes, not: %ld\n",
+                       sizeof(buf), item->reg_size);
                return -ENODEV;
        }
 

diff --git a/drivers/input/touchscreen/tsc2004.c b/drivers/input/touchscreen/tsc2004.c
index 7295c19..6fe55d5 100644 (file)
--- a/drivers/input/touchscreen/tsc2004.c
+++ b/drivers/input/touchscreen/tsc2004.c
@@ -22,6 +22,11 @@
 #include <linux/regmap.h>
 #include "tsc200x-core.h"
 
+static const struct input_id tsc2004_input_id = {
+       .bustype = BUS_I2C,
+       .product = 2004,
+};
+
 static int tsc2004_cmd(struct device *dev, u8 cmd)
 {
        u8 tx = TSC200X_CMD | TSC200X_CMD_12BIT | cmd;
@@ -42,7 +47,7 @@ static int tsc2004_probe(struct i2c_client *i2c,
                         const struct i2c_device_id *id)
 
 {
-       return tsc200x_probe(&i2c->dev, i2c->irq, BUS_I2C,
+       return tsc200x_probe(&i2c->dev, i2c->irq, &tsc2004_input_id,
                             devm_regmap_init_i2c(i2c, &tsc200x_regmap_config),
                             tsc2004_cmd);
 }

diff --git a/drivers/input/touchscreen/tsc2005.c b/drivers/input/touchscreen/tsc2005.c
index b9f593d..f2c5f0e 100644 (file)
--- a/drivers/input/touchscreen/tsc2005.c
+++ b/drivers/input/touchscreen/tsc2005.c
@@ -24,6 +24,11 @@
 #include <linux/regmap.h>
 #include "tsc200x-core.h"
 
+static const struct input_id tsc2005_input_id = {
+       .bustype = BUS_SPI,
+       .product = 2005,
+};
+
 static int tsc2005_cmd(struct device *dev, u8 cmd)
 {
        u8 tx = TSC200X_CMD | TSC200X_CMD_12BIT | cmd;
@@ -62,7 +67,7 @@ static int tsc2005_probe(struct spi_device *spi)
        if (error)
                return error;
 
-       return tsc200x_probe(&spi->dev, spi->irq, BUS_SPI,
+       return tsc200x_probe(&spi->dev, spi->irq, &tsc2005_input_id,
                             devm_regmap_init_spi(spi, &tsc200x_regmap_config),
                             tsc2005_cmd);
 }

diff --git a/drivers/input/touchscreen/tsc200x-core.c b/drivers/input/touchscreen/tsc200x-core.c
index 15240c1..dfa7f1c 100644 (file)
--- a/drivers/input/touchscreen/tsc200x-core.c
+++ b/drivers/input/touchscreen/tsc200x-core.c
@@ -450,7 +450,7 @@ static void tsc200x_close(struct input_dev *input)
        mutex_unlock(&ts->mutex);
 }
 
-int tsc200x_probe(struct device *dev, int irq, __u16 bustype,
+int tsc200x_probe(struct device *dev, int irq, const struct input_id *tsc_id,
                  struct regmap *regmap,
                  int (*tsc200x_cmd)(struct device *dev, u8 cmd))
 {
@@ -547,9 +547,18 @@ int tsc200x_probe(struct device *dev, int irq, __u16 bustype,
        snprintf(ts->phys, sizeof(ts->phys),
                 "%s/input-ts", dev_name(dev));
 
-       input_dev->name = "TSC200X touchscreen";
+       if (tsc_id->product == 2004) {
+               input_dev->name = "TSC200X touchscreen";
+       } else {
+               input_dev->name = devm_kasprintf(dev, GFP_KERNEL,
+                                                "TSC%04d touchscreen",
+                                                tsc_id->product);
+               if (!input_dev->name)
+                       return -ENOMEM;
+       }
+
        input_dev->phys = ts->phys;
-       input_dev->id.bustype = bustype;
+       input_dev->id = *tsc_id;
        input_dev->dev.parent = dev;
        input_dev->evbit[0] = BIT(EV_ABS) | BIT(EV_KEY);
        input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);

diff --git a/drivers/input/touchscreen/tsc200x-core.h b/drivers/input/touchscreen/tsc200x-core.h
index 7a482d1..49a63a3 100644 (file)
--- a/drivers/input/touchscreen/tsc200x-core.h
+++ b/drivers/input/touchscreen/tsc200x-core.h
@@ -70,7 +70,7 @@
 extern const struct regmap_config tsc200x_regmap_config;
 extern const struct dev_pm_ops tsc200x_pm_ops;
 
-int tsc200x_probe(struct device *dev, int irq, __u16 bustype,
+int tsc200x_probe(struct device *dev, int irq, const struct input_id *tsc_id,
                  struct regmap *regmap,
                  int (*tsc200x_cmd)(struct device *dev, u8 cmd));
 int tsc200x_remove(struct device *dev);

diff --git a/drivers/tty/vt/keyboard.c b/drivers/tty/vt/keyboard.c
index f973bfc..1e93a37 100644 (file)
--- a/drivers/tty/vt/keyboard.c
+++ b/drivers/tty/vt/keyboard.c
@@ -366,34 +366,22 @@ static void to_utf8(struct vc_data *vc, uint c)
 
 static void do_compute_shiftstate(void)
 {
-       unsigned int i, j, k, sym, val;
+       unsigned int k, sym, val;
 
        shift_state = 0;
        memset(shift_down, 0, sizeof(shift_down));
 
-       for (i = 0; i < ARRAY_SIZE(key_down); i++) {
-
-               if (!key_down[i])
+       for_each_set_bit(k, key_down, min(NR_KEYS, KEY_CNT)) {
+               sym = U(key_maps[0][k]);
+               if (KTYP(sym) != KT_SHIFT && KTYP(sym) != KT_SLOCK)
                        continue;
 
-               k = i * BITS_PER_LONG;
-
-               for (j = 0; j < BITS_PER_LONG; j++, k++) {
-
-                       if (!test_bit(k, key_down))
-                               continue;
+               val = KVAL(sym);
+               if (val == KVAL(K_CAPSSHIFT))
+                       val = KVAL(K_SHIFT);
 
-                       sym = U(key_maps[0][k]);
-                       if (KTYP(sym) != KT_SHIFT && KTYP(sym) != KT_SLOCK)
-                               continue;
-
-                       val = KVAL(sym);
-                       if (val == KVAL(K_CAPSSHIFT))
-                               val = KVAL(K_SHIFT);
-
-                       shift_down[val]++;
-                       shift_state |= (1 << val);
-               }
+               shift_down[val]++;
+               shift_state |= BIT(val);
        }
 }