Hi Mark,

FYI, there are new smatch warnings show up in

tree: git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git topic/arizona head: cac27cff066cf86c6fefe33d99d935e9d0d9c78c commit: 9dd555e2f4de1af1bb0f75cc84ed0708fcdb5987 [16/21] Input - arizona-haptics: Add driver haptics module on Arizona CODECs

+ drivers/input/misc/arizona-haptics.c:164 arizona_haptics_close() warn: variable dereferenced before check 'haptics->arizona->dapm' (see line 158)

git remote update asoc git checkout 9dd555e2f4de1af1bb0f75cc84ed0708fcdb5987 vim +164 drivers/input/misc/arizona-haptics.c

9dd555e2 Mark Brown 2012-11-26 152 return 0; 9dd555e2 Mark Brown 2012-11-26 153 } 9dd555e2 Mark Brown 2012-11-26 154 9dd555e2 Mark Brown 2012-11-26 155 static void arizona_haptics_close(struct input_dev *input) 9dd555e2 Mark Brown 2012-11-26 156 { 9dd555e2 Mark Brown 2012-11-26 157 struct arizona_haptics *haptics = input_get_drvdata(input); 9dd555e2 Mark Brown 2012-11-26 @158 struct mutex *dapm_mutex = &haptics->arizona->dapm->card->dapm_mutex; 9dd555e2 Mark Brown 2012-11-26 159 9dd555e2 Mark Brown 2012-11-26 160 cancel_work_sync(&haptics->work); 9dd555e2 Mark Brown 2012-11-26 161 9dd555e2 Mark Brown 2012-11-26 162 mutex_lock_nested(dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); 9dd555e2 Mark Brown 2012-11-26 163 9dd555e2 Mark Brown 2012-11-26 @164 if (haptics->arizona->dapm) 9dd555e2 Mark Brown 2012-11-26 165 snd_soc_dapm_disable_pin(haptics->arizona->dapm, "HAPTICS"); 9dd555e2 Mark Brown 2012-11-26 166 9dd555e2 Mark Brown 2012-11-26 167 mutex_unlock(dapm_mutex);

--- 0-DAY kernel build testing backend Open Source Technology Center Fengguang Wu, Yuanhan Liu Intel Corporation