diff --git a/drivers/input/joystick/iforce/iforce-packets.c b/drivers/input/joystick/iforce/iforce-packets.c
index 3154ccd7400098d1110fca740ed8156bb2a7eb32..45c4939ced75ef45228075d8d5c9784d7bb5a486 100644
--- a/drivers/input/joystick/iforce/iforce-packets.c
+++ b/drivers/input/joystick/iforce/iforce-packets.c
@@ -246,13 +246,12 @@ void iforce_process_packet(struct iforce *iforce, u16 cmd, unsigned char *data)
 
 int iforce_get_id_packet(struct iforce *iforce, char *packet)
 {
-	int status;
-
 	switch (iforce->bus) {
 
-	case IFORCE_USB:
-
+	case IFORCE_USB: {
 #ifdef CONFIG_JOYSTICK_IFORCE_USB
+		int status;
+
 		iforce->cr.bRequest = packet[0];
 		iforce->ctrl->dev = iforce->usbdev;
 
@@ -273,6 +272,7 @@ int iforce_get_id_packet(struct iforce *iforce, char *packet)
 #else
 		dbg("iforce_get_id_packet: iforce->bus = USB!");
 #endif
+		}
 		break;
 
 	case IFORCE_232:
diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c
index 739212252b09aefb874d56dc431ce72eccdb22f7..f0b22b8b2769812a7d46e96b95be5129a0e8a3e7 100644
--- a/drivers/input/keyboard/gpio_keys.c
+++ b/drivers/input/keyboard/gpio_keys.c
@@ -22,7 +22,6 @@
 #include <linux/delay.h>
 #include <linux/platform_device.h>
 #include <linux/input.h>
-#include <linux/irq.h>
 #include <linux/gpio_keys.h>
 
 #include <asm/gpio.h>
diff --git a/drivers/input/mouse/touchkit_ps2.h b/drivers/input/mouse/touchkit_ps2.h
index 61e9dfd8419f41c23dbd873173139715045e3211..8a0dd3574aefb0a9d11913728e2cbe02ebc95e13 100644
--- a/drivers/input/mouse/touchkit_ps2.h
+++ b/drivers/input/mouse/touchkit_ps2.h
@@ -15,7 +15,8 @@
 #ifdef CONFIG_MOUSE_PS2_TOUCHKIT
 int touchkit_ps2_detect(struct psmouse *psmouse, int set_properties);
 #else
-inline int touchkit_ps2_detect(struct psmouse *psmouse, int set_properties)
+static inline int touchkit_ps2_detect(struct psmouse *psmouse,
+				      int set_properties)
 {
 	return -ENOSYS;
 }
diff --git a/drivers/input/serio/gscps2.c b/drivers/input/serio/gscps2.c
index 74f14e097789d193fe1bf6b8ffc52a248aba3875..3e99df6be08465affbbb0550fd5be59688f71c39 100644
--- a/drivers/input/serio/gscps2.c
+++ b/drivers/input/serio/gscps2.c
@@ -340,8 +340,8 @@ static int __init gscps2_probe(struct parisc_device *dev)
 	if (dev->id.sversion == 0x96)
 		hpa += GSC_DINO_OFFSET;
 
-	ps2port = kmalloc(sizeof(struct gscps2port), GFP_KERNEL);
-	serio = kmalloc(sizeof(struct serio), GFP_KERNEL);
+	ps2port = kzalloc(sizeof(struct gscps2port), GFP_KERNEL);
+	serio = kzalloc(sizeof(struct serio), GFP_KERNEL);
 	if (!ps2port || !serio) {
 		ret = -ENOMEM;
 		goto fail_nomem;
@@ -349,8 +349,6 @@ static int __init gscps2_probe(struct parisc_device *dev)
 
 	dev_set_drvdata(&dev->dev, ps2port);
 
-	memset(ps2port, 0, sizeof(struct gscps2port));
-	memset(serio, 0, sizeof(struct serio));
 	ps2port->port = serio;
 	ps2port->padev = dev;
 	ps2port->addr = ioremap_nocache(hpa, GSC_STATUS + 4);
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index 3888dc307e0ce09d47aebc89eeb983df02be5f40..06b05dd2248508e3c2516048e4abddec26e88abd 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -512,6 +512,7 @@ static irqreturn_t __devinit i8042_aux_test_irq(int irq, void *dev_id)
 {
 	unsigned long flags;
 	unsigned char str, data;
+	int ret = 0;
 
 	spin_lock_irqsave(&i8042_lock, flags);
 	str = i8042_read_status();
@@ -520,10 +521,11 @@ static irqreturn_t __devinit i8042_aux_test_irq(int irq, void *dev_id)
 		if (i8042_irq_being_tested &&
 		    data == 0xa5 && (str & I8042_STR_AUXDATA))
 			complete(&i8042_aux_irq_delivered);
+		ret = 1;
 	}
 	spin_unlock_irqrestore(&i8042_lock, flags);
 
-	return IRQ_HANDLED;
+	return IRQ_RETVAL(ret);
 }
 
 /*