vdev_id: Return an error if stdout contains output not suitable for udev rule consumption #12508
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Motivation and Context
The udev helper is supposed to return 0 exit code only when it produced the stdout suitable for consumption by the udev rule. error messages and usage messages should produce non-zero exit code that guarantees udev rule ignores the stdout.
Description
How Has This Been Tested?
Types of changes
Checklist:
Signed-off-by.