fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / drivers / input / touchscreen / mtouch.c

diff --git a/drivers/input/touchscreen/mtouch.c b/drivers/input/touchscreen/mtouch.c
index 1d0d37e..c3c2d73 100644 (file)
--- a/drivers/input/touchscreen/mtouch.c
+++ b/drivers/input/touchscreen/mtouch.c
@@ -63,12 +63,11 @@ struct mtouch {
        char phys[32];
 };
 
-static void mtouch_process_format_tablet(struct mtouch *mtouch, struct pt_regs *regs)
+static void mtouch_process_format_tablet(struct mtouch *mtouch)
 {
        struct input_dev *dev = mtouch->dev;
 
        if (MTOUCH_FORMAT_TABLET_LENGTH == ++mtouch->idx) {
-               input_regs(dev, regs);
                input_report_abs(dev, ABS_X, MTOUCH_GET_XC(mtouch->data));
                input_report_abs(dev, ABS_Y, MTOUCH_MAX_YC - MTOUCH_GET_YC(mtouch->data));
                input_report_key(dev, BTN_TOUCH, MTOUCH_GET_TOUCHED(mtouch->data));
@@ -78,7 +77,7 @@ static void mtouch_process_format_tablet(struct mtouch *mtouch, struct pt_regs *
        }
 }
 
-static void mtouch_process_response(struct mtouch *mtouch, struct pt_regs *regs)
+static void mtouch_process_response(struct mtouch *mtouch)
 {
        if (MTOUCH_RESPONSE_END_BYTE == mtouch->data[mtouch->idx++]) {
                /* FIXME - process response */
@@ -90,16 +89,16 @@ static void mtouch_process_response(struct mtouch *mtouch, struct pt_regs *regs)
 }
 
 static irqreturn_t mtouch_interrupt(struct serio *serio,
-               unsigned char data, unsigned int flags, struct pt_regs *regs)
+               unsigned char data, unsigned int flags)
 {
        struct mtouch* mtouch = serio_get_drvdata(serio);
 
        mtouch->data[mtouch->idx] = data;
 
        if (MTOUCH_FORMAT_TABLET_STATUS_BIT & mtouch->data[0])
-               mtouch_process_format_tablet(mtouch, regs);
+               mtouch_process_format_tablet(mtouch);
        else if (MTOUCH_RESPONSE_BEGIN_BYTE == mtouch->data[0])
-               mtouch_process_response(mtouch, regs);
+               mtouch_process_response(mtouch);
        else
                printk(KERN_DEBUG "mtouch.c: unknown/unsynchronized data from device, byte %x\n",mtouch->data[0]);
 
@@ -138,12 +137,12 @@ static int mtouch_connect(struct serio *serio, struct serio_driver *drv)
        input_dev = input_allocate_device();
        if (!mtouch || !input_dev) {
                err = -ENOMEM;
-               goto fail;
+               goto fail1;
        }
 
        mtouch->serio = serio;
        mtouch->dev = input_dev;
-       sprintf(mtouch->phys, "%s/input0", serio->phys);
+       snprintf(mtouch->phys, sizeof(mtouch->phys), "%s/input0", serio->phys);
 
        input_dev->private = mtouch;
        input_dev->name = "MicroTouch Serial TouchScreen";
@@ -161,14 +160,17 @@ static int mtouch_connect(struct serio *serio, struct serio_driver *drv)
 
        err = serio_open(serio, drv);
        if (err)
-               goto fail;
+               goto fail2;
 
-       input_register_device(mtouch->dev);
+       err = input_register_device(mtouch->dev);
+       if (err)
+               goto fail3;
 
        return 0;
 
- fail: serio_set_drvdata(serio, NULL);
-       input_free_device(input_dev);
+ fail3:        serio_close(serio);
+ fail2:        serio_set_drvdata(serio, NULL);
+ fail1:        input_free_device(input_dev);
        kfree(mtouch);
        return err;
 }
@@ -206,8 +208,7 @@ static struct serio_driver mtouch_drv = {
 
 static int __init mtouch_init(void)
 {
-       serio_register_driver(&mtouch_drv);
-       return 0;
+       return serio_register_driver(&mtouch_drv);
 }
 
 static void __exit mtouch_exit(void)