Re: [PATCH RESEND] wifi: ath11k: release the rproc reference on teardown

[Jeff Johnson]

On 11/3/2026 2:29 AM, Wentao Liang wrote:
> ath11k_core_get_rproc() looks up the target remoteproc with
> rproc_get_by_phandle(), which takes a device reference and a reference on
> the remoteproc driver's module.  The resulting pointer is stored in
> ab_ahb->tgt_rproc and never released: ath11k_ahb_free_resources() only
> tears down the firmware resources, and the probe error paths after the
> lookup jump to err_core_free without dropping the reference either.
> rproc_shutdown() does not release it, it only drops the power reference.
> 
> Release the reference when the AHB resources are freed and on the probe
> error path, so that repeated bind/unbind cycles no longer accumulate
> remoteproc references and the remoteproc module can be unloaded again.
> 
> Fixes: ba929d6fe31a ("ath11k: Remove rproc references from common core layer")
> Cc: stable@xxxxxxxxxxxxxxx
> Assisted-by: DeepSeek-V4.1-Flash and OpenAI Codex
> Signed-off-by: Wentao Liang <vulab@xxxxxxxxxxx>

+workflows

I am no longer accepting patches from this e-mail address.

Go away or use a separate e-mail address per person working on this project,
with that person actually responding to review feedback and adhering to the
Linux kernel etiquette.

/jeff