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| author | Ira Weiny <ira.weiny@intel.com> | 2021-12-02 05:43:04 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-12-03 16:41:50 +0100 |
| commit | 8a2d6ffe7740cb8c944968aa9b0705e20afeef87 (patch) | |
| tree | 8ba37b1838939fa93ae14e31cc293d719bb9eb60 /drivers/base | |
| parent | Documentation/auxiliary_bus: Add example code for module_auxiliary_driver() (diff) | |
| download | linux-8a2d6ffe7740cb8c944968aa9b0705e20afeef87.tar.xz linux-8a2d6ffe7740cb8c944968aa9b0705e20afeef87.zip | |
Documentation/auxiliary_bus: Clarify the release of devices from find device
auxiliary_find_device() takes a proper get_device() reference on the
device before returning the matched device.
Users of this call should be informed that they need to properly release
this reference with put_device().
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Link: https://lore.kernel.org/r/20211202044305.4006853-7-ira.weiny@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/base')
| -rw-r--r-- | drivers/base/auxiliary.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/base/auxiliary.c b/drivers/base/auxiliary.c index 7192f7d03a05..ab5315681a42 100644 --- a/drivers/base/auxiliary.c +++ b/drivers/base/auxiliary.c @@ -202,6 +202,8 @@ EXPORT_SYMBOL_GPL(__auxiliary_device_add); * This function returns a reference to a device that is 'found' * for later use, as determined by the @match callback. * + * The reference returned should be released with put_device(). + * * The callback should return 0 if the device doesn't match and non-zero * if it does. If the callback returns non-zero, this function will * return to the caller and not iterate over any more devices. |