If rule compilation fails, return immediately

[mstemm]

There's no need to populate rulesets with the output if compilation failed.

What type of PR is this?

Uncomment one (or more) /kind <> lines:

/kind bug

/kind cleanup

/kind design

/kind documentation

/kind failing-test

/kind feature

/kind release

Any specific area of the project related to this PR?

Uncomment one (or more) /area <> lines:

/area build

/area engine

/area tests

/area proposals

/area CI

What this PR does / why we need it:

If rule compilation fails, there's no need to pass any (partial) set of rules to the rulesets. Just return the (failing) result immediately.

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

NONE

[github-actions[bot]]

This PR may bring feature or behavior changes in the Falco engine and may require the engine version to be bumped.

Please double check userspace/engine/falco_engine_version.h file. See versioning for FALCO_ENGINE_VERSION.

/hold

[leogr]

This PR may bring feature or behavior changes in the Falco engine and may require the engine version to be bumped.

Please double check userspace/engine/falco_engine_version.h file. See versioning for FALCO_ENGINE_VERSION.

/hold

False positive /unhold

[poiana]

LGTM label has been added.

Git tree hash: 399a1277e6f16b01fbc769a267b823a5462e3351

[poiana]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: jasondellaluce, leogr, mstemm

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Needs approval from an approver in each of these files: - ~~[OWNERS](https://github.com/falcosecurity/falco/blob/master/OWNERS)~~ [jasondellaluce,leogr,mstemm] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment