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pwm: sysfs: Use put_device() instead of kfree()

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Never directly free @dev after calling device_register(), even if it
returned an error! Always use put_device() to give up the reference
initialized.

Signed-off-by: Arvind Yadav <[email protected]>
Signed-off-by: Thierry Reding <[email protected]>
This commit is contained in:
Arvind Yadav 2018-03-08 15:27:37 +05:30 • committed by Thierry Reding
commit 8bbf5b4261
1 changed files with 2 additions and 1 deletions
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3
drivers/pwm/sysfs.c
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@ -273,7 +273,8 @@ static int pwm_export_child(struct device *parent, struct pwm_device *pwm)
ret = device_register(&export->child);
if (ret) {
clear_bit(PWMF_EXPORTED, &pwm->flags);
kfree(export);
put_device(&export->child);
export = NULL;
return ret;
}