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authorArvind Yadav <arvind.yadav.cs@gmail.com>2018-03-08 15:27:37 +0530
committerThierry Reding <thierry.reding@gmail.com>2018-03-28 01:18:53 +0200
commit8bbf5b426160343b554117eb9abdf4dad9a50e65 (patch)
tree5c83efe0fb5d3bc294fa8ac2fc0ec16aa02815df /drivers/pwm/sysfs.c
parent8422c7439ea9c4e08198cec7edd5faf3890c4dd7 (diff)
downloadlinux-8bbf5b426160343b554117eb9abdf4dad9a50e65.tar.bz2
pwm: sysfs: Use put_device() instead of kfree()
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 <arvind.yadav.cs@gmail.com> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'drivers/pwm/sysfs.c')
-rw-r--r--drivers/pwm/sysfs.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/pwm/sysfs.c b/drivers/pwm/sysfs.c
index 83f2b0b15712..7c71cdb8a9d8 100644
--- a/drivers/pwm/sysfs.c
+++ b/drivers/pwm/sysfs.c
@@ -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;
}