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driver:base:core: Adding a "Return:" line in comment for device_link_add()

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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>
This commit is contained in:
Yuesong Li 2024-08-21 12:04:32 +08:00 committed by Greg Kroah-Hartman
parent b45ed06f46
commit 4a74f22386
1 changed files with 3 additions and 0 deletions
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drivers/base/core.c
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@ -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