Fix I2C-drivers which missed setting clientdata to NULL before freeing the structure it points to. Also fix drivers which do this _after_ the structure was freed already. Signed-off-by: Wolfram Sang <w.sang@xxxxxxxxxxxxxx> Cc: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx> --- Found using coccinelle, then reviewed. Full patchset is available via kernel-janitors, linux-i2c, and LKML. --- drivers/input/keyboard/lm8323.c | 2 ++ drivers/input/keyboard/qt2160.c | 2 +- 2 files changed, 3 insertions(+), 1 deletions(-) diff --git a/drivers/input/keyboard/lm8323.c b/drivers/input/keyboard/lm8323.c index 574eda2..2b8bf05 100644 --- a/drivers/input/keyboard/lm8323.c +++ b/drivers/input/keyboard/lm8323.c @@ -768,6 +768,7 @@ fail2: led_classdev_unregister(&lm->pwm[i].cdev); fail1: input_free_device(idev); + i2c_set_clientdata(client, NULL); kfree(lm); return err; } @@ -789,6 +790,7 @@ static int __devexit lm8323_remove(struct i2c_client *client) if (lm->pwm[i].enabled) led_classdev_unregister(&lm->pwm[i].cdev); + i2c_set_clientdata(client, NULL); kfree(lm); return 0; diff --git a/drivers/input/keyboard/qt2160.c b/drivers/input/keyboard/qt2160.c index 31f3008..43db5e9 100644 --- a/drivers/input/keyboard/qt2160.c +++ b/drivers/input/keyboard/qt2160.c @@ -356,9 +356,9 @@ static int __devexit qt2160_remove(struct i2c_client *client) cancel_delayed_work_sync(&qt2160->dwork); input_unregister_device(qt2160->input); + i2c_set_clientdata(client, NULL); kfree(qt2160); - i2c_set_clientdata(client, NULL); return 0; } -- 1.7.0 -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
