diff options
Diffstat (limited to 'drivers/base/core.c')
| -rw-r--r-- | drivers/base/core.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c index 4aeaa0c92bda..fd7511e04e62 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -1999,6 +1999,11 @@ static int device_private_init(struct device *dev) * NOTE: _Never_ directly free @dev after calling this function, even * if it returned an error! Always use put_device() to give up your * reference instead. + * + * Rule of thumb is: if device_add() succeeds, you should call + * device_del() when you want to get rid of it. If device_add() has + * *not* succeeded, use *only* put_device() to drop the reference + * count. */ int device_add(struct device *dev) { |