Input: handle serio_register_driver() errors

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

26 files changed, 41 insertions, 53 deletions

diff --git a/drivers/input/joystick/iforce/iforce-main.c b/drivers/input/joystick/iforce/iforce-main.c
index 706e0aea793c..3393a37fec39 100644
--- a/drivers/input/joystick/iforce/iforce-main.c
+++ b/drivers/input/joystick/iforce/iforce-main.c
@@ -467,13 +467,21 @@ int iforce_init_device(struct iforce *iforce)
 
 static int __init iforce_init(void)
 {
+        int err = 0;
+
 #ifdef CONFIG_JOYSTICK_IFORCE_USB
-        usb_register(&iforce_usb_driver);
+        err = usb_register(&iforce_usb_driver);
+        if (err)
+                return err;
 #endif
 #ifdef CONFIG_JOYSTICK_IFORCE_232
-        serio_register_driver(&iforce_serio_drv);
+        err = serio_register_driver(&iforce_serio_drv);
+#ifdef CONFIG_JOYSTICK_IFORCE_USB
+        if (err)
+                usb_deregister(&iforce_usb_driver);
 #endif
-        return 0;
+#endif
+        return err;
 }
 
 static void __exit iforce_exit(void)
diff --git a/drivers/input/joystick/magellan.c b/drivers/input/joystick/magellan.c
index d512b0a0282e..4112789f1196 100644
--- a/drivers/input/joystick/magellan.c
+++ b/drivers/input/joystick/magellan.c
@@ -231,8 +231,7 @@ static struct serio_driver magellan_drv = {
 
 static int __init magellan_init(void)
 {
-        serio_register_driver(&magellan_drv);
-        return 0;
+        return serio_register_driver(&magellan_drv);
 }
 
 static void __exit magellan_exit(void)
diff --git a/drivers/input/joystick/spaceball.c b/drivers/input/joystick/spaceball.c
index 9b3597343c1c..08bf113e62eb 100644
--- a/drivers/input/joystick/spaceball.c
+++ b/drivers/input/joystick/spaceball.c
@@ -300,8 +300,7 @@ static struct serio_driver spaceball_drv = {
 
 static int __init spaceball_init(void)
 {
-        serio_register_driver(&spaceball_drv);
-        return 0;
+        return serio_register_driver(&spaceball_drv);
 }
 
 static void __exit spaceball_exit(void)
diff --git a/drivers/input/joystick/spaceorb.c b/drivers/input/joystick/spaceorb.c
index ea9d51e70a12..c9c79211af71 100644
--- a/drivers/input/joystick/spaceorb.c
+++ b/drivers/input/joystick/spaceorb.c
@@ -246,8 +246,7 @@ static struct serio_driver spaceorb_drv = {
 
 static int __init spaceorb_init(void)
 {
-        serio_register_driver(&spaceorb_drv);
-        return 0;
+        return serio_register_driver(&spaceorb_drv);
 }
 
 static void __exit spaceorb_exit(void)
diff --git a/drivers/input/joystick/stinger.c b/drivers/input/joystick/stinger.c
index b51a4a4c7f60..ecb0916215fa 100644
--- a/drivers/input/joystick/stinger.c
+++ b/drivers/input/joystick/stinger.c
@@ -216,8 +216,7 @@ static struct serio_driver stinger_drv = {
 
 static int __init stinger_init(void)
 {
-        serio_register_driver(&stinger_drv);
-        return 0;
+        return serio_register_driver(&stinger_drv);
 }
 
 static void __exit stinger_exit(void)
diff --git a/drivers/input/joystick/twidjoy.c b/drivers/input/joystick/twidjoy.c
index 3c1c83e8609a..9cf17d6ced82 100644
--- a/drivers/input/joystick/twidjoy.c
+++ b/drivers/input/joystick/twidjoy.c
@@ -269,8 +269,7 @@ static struct serio_driver twidjoy_drv = {
 
 static int __init twidjoy_init(void)
 {
-        serio_register_driver(&twidjoy_drv);
-        return 0;
+        return serio_register_driver(&twidjoy_drv);
 }
 
 static void __exit twidjoy_exit(void)
diff --git a/drivers/input/joystick/warrior.c b/drivers/input/joystick/warrior.c
index 1e4828b9a1ab..29d339acf430 100644
--- a/drivers/input/joystick/warrior.c
+++ b/drivers/input/joystick/warrior.c
@@ -224,8 +224,7 @@ static struct serio_driver warrior_drv = {
 
 static int __init warrior_init(void)
 {
-        serio_register_driver(&warrior_drv);
-        return 0;
+        return serio_register_driver(&warrior_drv);
 }
 
 static void __exit warrior_exit(void)
diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index 73c6946b2d92..498e64a00e3c 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -1389,8 +1389,7 @@ static ssize_t atkbd_show_err_count(struct atkbd *atkbd, char *buf)
 
 static int __init atkbd_init(void)
 {
-        serio_register_driver(&atkbd_drv);
-        return 0;
+        return serio_register_driver(&atkbd_drv);
 }
 
 static void __exit atkbd_exit(void)
diff --git a/drivers/input/keyboard/hil_kbd.c b/drivers/input/keyboard/hil_kbd.c
index e774dd31e99b..7cc9728b04df 100644
--- a/drivers/input/keyboard/hil_kbd.c
+++ b/drivers/input/keyboard/hil_kbd.c
@@ -381,8 +381,7 @@ struct serio_driver hil_kbd_serio_drv = {
 
 static int __init hil_kbd_init(void)
 {
-        serio_register_driver(&hil_kbd_serio_drv);
-        return 0;
+        return serio_register_driver(&hil_kbd_serio_drv);
 }
                 
 static void __exit hil_kbd_exit(void)
diff --git a/drivers/input/keyboard/lkkbd.c b/drivers/input/keyboard/lkkbd.c
index 0067c1fe3d4e..1789785813ee 100644
--- a/drivers/input/keyboard/lkkbd.c
+++ b/drivers/input/keyboard/lkkbd.c
@@ -758,8 +758,7 @@ static struct serio_driver lkkbd_drv = {
 static int __init
 lkkbd_init (void)
 {
-        serio_register_driver(&lkkbd_drv);
-        return 0;
+        return serio_register_driver(&lkkbd_drv);
 }
 
 static void __exit
diff --git a/drivers/input/keyboard/newtonkbd.c b/drivers/input/keyboard/newtonkbd.c
index 33e813948d6f..aa29b50765c9 100644
--- a/drivers/input/keyboard/newtonkbd.c
+++ b/drivers/input/keyboard/newtonkbd.c
@@ -169,8 +169,7 @@ static struct serio_driver nkbd_drv = {
 
 static int __init nkbd_init(void)
 {
-        serio_register_driver(&nkbd_drv);
-        return 0;
+        return serio_register_driver(&nkbd_drv);
 }
 
 static void __exit nkbd_exit(void)
diff --git a/drivers/input/keyboard/stowaway.c b/drivers/input/keyboard/stowaway.c
index e60937d17b1c..f7b5c5b81451 100644
--- a/drivers/input/keyboard/stowaway.c
+++ b/drivers/input/keyboard/stowaway.c
@@ -173,8 +173,7 @@ static struct serio_driver skbd_drv = {
 
 static int __init skbd_init(void)
 {
-        serio_register_driver(&skbd_drv);
-        return 0;
+        return serio_register_driver(&skbd_drv);
 }
 
 static void __exit skbd_exit(void)
diff --git a/drivers/input/keyboard/sunkbd.c b/drivers/input/keyboard/sunkbd.c
index d1b62f77a716..d6ab6d4b1fa8 100644
--- a/drivers/input/keyboard/sunkbd.c
+++ b/drivers/input/keyboard/sunkbd.c
@@ -352,8 +352,7 @@ static struct serio_driver sunkbd_drv = {
 
 static int __init sunkbd_init(void)
 {
-        serio_register_driver(&sunkbd_drv);
-        return 0;
+        return serio_register_driver(&sunkbd_drv);
 }
 
 static void __exit sunkbd_exit(void)
diff --git a/drivers/input/keyboard/xtkbd.c b/drivers/input/keyboard/xtkbd.c
index b53f71638583..a82093432138 100644
--- a/drivers/input/keyboard/xtkbd.c
+++ b/drivers/input/keyboard/xtkbd.c
@@ -174,8 +174,7 @@ static struct serio_driver xtkbd_drv = {
 
 static int __init xtkbd_init(void)
 {
-        serio_register_driver(&xtkbd_drv);
-        return 0;
+        return serio_register_driver(&xtkbd_drv);
 }
 
 static void __exit xtkbd_exit(void)
diff --git a/drivers/input/mouse/hil_ptr.c b/drivers/input/mouse/hil_ptr.c
index 4f2b503c1ac7..bfb174fe3230 100644
--- a/drivers/input/mouse/hil_ptr.c
+++ b/drivers/input/mouse/hil_ptr.c
@@ -417,8 +417,7 @@ static struct serio_driver hil_ptr_serio_driver = {
 
 static int __init hil_ptr_init(void)
 {
-        serio_register_driver(&hil_ptr_serio_driver);
-        return 0;
+        return serio_register_driver(&hil_ptr_serio_driver);
 }
                 
 static void __exit hil_ptr_exit(void)
diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index 58beca99a9c3..e626b1e737fa 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -1524,15 +1524,19 @@ static int psmouse_get_maxproto(char *buffer, struct kernel_param *kp)
 
 static int __init psmouse_init(void)
 {
+        int err;
+
         kpsmoused_wq = create_singlethread_workqueue("kpsmoused");
         if (!kpsmoused_wq) {
                 printk(KERN_ERR "psmouse: failed to create kpsmoused workqueue\n");
                 return -ENOMEM;
         }
 
-        serio_register_driver(&psmouse_drv);
+        err = serio_register_driver(&psmouse_drv);
+        if (err)
+                destroy_workqueue(kpsmoused_wq);
 
-        return 0;
+        return err;
 }
 
 static void __exit psmouse_exit(void)
diff --git a/drivers/input/mouse/sermouse.c b/drivers/input/mouse/sermouse.c
index 10b51e7f01f6..a85d74710b44 100644
--- a/drivers/input/mouse/sermouse.c
+++ b/drivers/input/mouse/sermouse.c
@@ -351,8 +351,7 @@ static struct serio_driver sermouse_drv = {
 
 static int __init sermouse_init(void)
 {
-        serio_register_driver(&sermouse_drv);
-        return 0;
+        return serio_register_driver(&sermouse_drv);
 }
 
 static void __exit sermouse_exit(void)
diff --git a/drivers/input/mouse/vsxxxaa.c b/drivers/input/mouse/vsxxxaa.c
index ffd0d6624a8c..c3d64fcc858d 100644
--- a/drivers/input/mouse/vsxxxaa.c
+++ b/drivers/input/mouse/vsxxxaa.c
@@ -574,8 +574,7 @@ static struct serio_driver vsxxxaa_drv = {
 static int __init
 vsxxxaa_init (void)
 {
-        serio_register_driver(&vsxxxaa_drv);
-        return 0;
+        return serio_register_driver(&vsxxxaa_drv);
 }
 
 static void __exit
diff --git a/drivers/input/serio/serio_raw.c b/drivers/input/serio/serio_raw.c
index ba2a2035d648..0e343a6cacc9 100644
--- a/drivers/input/serio/serio_raw.c
+++ b/drivers/input/serio/serio_raw.c
@@ -389,8 +389,7 @@ static struct serio_driver serio_raw_drv = {
 
 static int __init serio_raw_init(void)
 {
-        serio_register_driver(&serio_raw_drv);
-        return 0;
+        return serio_register_driver(&serio_raw_drv);
 }
 
 static void __exit serio_raw_exit(void)
diff --git a/drivers/input/touchscreen/elo.c b/drivers/input/touchscreen/elo.c
index 913e1b73bb0e..9d61cd133d01 100644
--- a/drivers/input/touchscreen/elo.c
+++ b/drivers/input/touchscreen/elo.c
@@ -397,8 +397,7 @@ static struct serio_driver elo_drv = {
 
 static int __init elo_init(void)
 {
-        serio_register_driver(&elo_drv);
-        return 0;
+        return serio_register_driver(&elo_drv);
 }
 
 static void __exit elo_exit(void)
diff --git a/drivers/input/touchscreen/gunze.c b/drivers/input/touchscreen/gunze.c
index 44f397fff715..9157eb148e84 100644
--- a/drivers/input/touchscreen/gunze.c
+++ b/drivers/input/touchscreen/gunze.c
@@ -194,8 +194,7 @@ static struct serio_driver gunze_drv = {
 
 static int __init gunze_init(void)
 {
-        serio_register_driver(&gunze_drv);
-        return 0;
+        return serio_register_driver(&gunze_drv);
 }
 
 static void __exit gunze_exit(void)
diff --git a/drivers/input/touchscreen/h3600_ts_input.c b/drivers/input/touchscreen/h3600_ts_input.c
index d9e61ee05ea9..c4116d4f64e7 100644
--- a/drivers/input/touchscreen/h3600_ts_input.c
+++ b/drivers/input/touchscreen/h3600_ts_input.c
@@ -478,8 +478,7 @@ static struct serio_driver h3600ts_drv = {
 
 static int __init h3600ts_init(void)
 {
-        serio_register_driver(&h3600ts_drv);
-        return 0;
+        return serio_register_driver(&h3600ts_drv);
 }
 
 static void __exit h3600ts_exit(void)
diff --git a/drivers/input/touchscreen/mtouch.c b/drivers/input/touchscreen/mtouch.c
index c66b399774f2..c3c2d735d0ec 100644
--- a/drivers/input/touchscreen/mtouch.c
+++ b/drivers/input/touchscreen/mtouch.c
@@ -208,8 +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)
diff --git a/drivers/input/touchscreen/penmount.c b/drivers/input/touchscreen/penmount.c
index 6c7d0c2c76cc..bd2767991ae9 100644
--- a/drivers/input/touchscreen/penmount.c
+++ b/drivers/input/touchscreen/penmount.c
@@ -171,8 +171,7 @@ static struct serio_driver pm_drv = {
 
 static int __init pm_init(void)
 {
-        serio_register_driver(&pm_drv);
-        return 0;
+        return serio_register_driver(&pm_drv);
 }
 
 static void __exit pm_exit(void)
diff --git a/drivers/input/touchscreen/touchright.c b/drivers/input/touchscreen/touchright.c
index c74f74e57af0..35ba46c6ad2d 100644
--- a/drivers/input/touchscreen/touchright.c
+++ b/drivers/input/touchscreen/touchright.c
@@ -182,8 +182,7 @@ static struct serio_driver tr_drv = {
 
 static int __init tr_init(void)
 {
-        serio_register_driver(&tr_drv);
-        return 0;
+        return serio_register_driver(&tr_drv);
 }
 
 static void __exit tr_exit(void)
diff --git a/drivers/input/touchscreen/touchwin.c b/drivers/input/touchscreen/touchwin.c
index 9911820fa2fe..4dc073dacabb 100644
--- a/drivers/input/touchscreen/touchwin.c
+++ b/drivers/input/touchscreen/touchwin.c
@@ -189,8 +189,7 @@ static struct serio_driver tw_drv = {
 
 static int __init tw_init(void)
 {
-        serio_register_driver(&tw_drv);
-        return 0;
+        return serio_register_driver(&tw_drv);
 }
 
 static void __exit tw_exit(void)