There is a possibility for an uninitialized*ret* variable to be
returned in some code paths.
This explicitly returns 0 without an error. Also removes goto that
returned*ret* and simply returns in place.
Closes:https://scan5.scan.coverity.com/#/project-view/63541/10063? selectedIssue=1642337
Fixes: b716a10d99a28 ("wifi: ath12k: enable MLO setup and teardown from core")
Signed-off-by: Ethan Carter Edwards<ethan@xxxxxxxxxxxxxxxxx>
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