diff options
| author | Yuesong Li <liyuesong@vivo.com> | 2024-08-21 12:04:32 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-09-03 12:59:17 +0200 |
| commit | 4a74f22386ccb1ddd06eb242bdd02548a7199bda (patch) | |
| tree | d0527af954a5ac3d6d63c956df00dbc79a838331 /drivers/base/core.c | |
| parent | b45ed06f46737f8c2ee65698f4305409f2386674 (diff) | |
driver:base:core: Adding a "Return:" line in comment for device_link_add()
The original document doesn't explain the return value directly which
leads to confusing in error checking.
You can find the reason here:
Link: https://lore.kernel.org/all/1d4c39e109bcf288d5900670e024a315.sboyd@kernel.org/
Signed-off-by: Yuesong Li <liyuesong@vivo.com>
Link: https://lore.kernel.org/r/20240821040432.4049183-1-liyuesong@vivo.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/base/core.c')
| -rw-r--r-- | drivers/base/core.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c index 4bc8b88d697e..ec2197aec0b7 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -673,6 +673,9 @@ postcore_initcall(devlink_class_init); * @supplier: Supplier end of the link. * @flags: Link flags. * + * Return: On success, a device_link struct will be returned. + * On error or invalid flag settings, NULL will be returned. + * * The caller is responsible for the proper synchronization of the link creation * with runtime PM. First, setting the DL_FLAG_PM_RUNTIME flag will cause the * runtime PM framework to take the link into account. Second, if the |