2024.5.4: KeyError: 'url' in dlna_dmr

[wubli]

The problem

After upgrade from 2024.5.3 to 2024.5.4

What version of Home Assistant Core has the issue?

core-2024.5.4

What was the last working version of Home Assistant Core?

core-2024.5.3

What type of installation are you running?

Home Assistant Container

Integration causing the issue

dlna_dmr

Link to integration documentation on our website

https://www.home-assistant.io/integrations/dlna_dmr/

Diagnostics information

No response

Example YAML snippet

No response

Anything in the logs that might be useful for us?

ERROR (MainThread) [homeassistant] Error doing job: Task exception was never retrieved
Traceback (most recent call last):
  File "/usr/src/homeassistant/homeassistant/helpers/discovery_flow.py", line 105, in _async_start
    await gather_with_limited_concurrency(FLOW_INIT_LIMIT, *init_coros)
  File "/usr/src/homeassistant/homeassistant/util/async_.py", line 109, in gather_with_limited_concurrency
    return await gather(
           ^^^^^^^^^^^^^
  File "/usr/src/homeassistant/homeassistant/util/async_.py", line 107, in sem_task
    return await task
           ^^^^^^^^^^
  File "/usr/src/homeassistant/homeassistant/config_entries.py", line 1215, in async_init
    flow, result = await self._async_init(flow_id, handler, context, data)
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/src/homeassistant/homeassistant/config_entries.py", line 1245, in _async_init
    result = await self._async_handle_step(flow, flow.init_step, data)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/src/homeassistant/homeassistant/data_entry_flow.py", line 518, in _async_handle_step
    result: _FlowResultT = await getattr(flow, method)(user_input)
                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/src/homeassistant/homeassistant/components/dlna_dmr/config_flow.py", line 152, in async_step_ssdp
    if self._location == entry.data[CONF_URL]:
                         ~~~~~~~~~~^^^^^^^^^^
KeyError: 'url'

### Additional information

_No response_

[home-assistant]

Hey there @chishm, mind taking a look at this issue as it has been labeled with an integration (dlna_dmr) you are listed as a code owner for? Thanks!

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dlna_dmr documentation
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[chishm]

This is an interesting bug. All entries for the dlna_dmr component should have a CONF_URL set, so my best guess is that non-dlna_dmr entries are getting checked. I'll put in a quick check to skip such entries.