Re: [PATCH V3 4/9] dax/fsdev: clear dev_dax->pgmap on probe failure

[Alison Schofield]

On Sat, May 30, 2026 at 04:50:57PM +0000, John Groves wrote:
> From: John Groves <John@xxxxxxxxxx>
> 
> Clear dev_dax->pgmap on probe failure for dynamic devices. After the dynamic
> path sets dev_dax->pgmap, if a later probe step fails, devres frees the
> devm_kzalloc'd pgmap but leaves dev_dax->pgmap dangling.  Subsequent probe
> attempts would hit the "dynamic-dax with pre-populated page map" check and fail
> permanently. Use a goto cleanup to NULL dev_dax->pgmap on error.
> 
> Fixes: d5406bd458b0a ("dax: add fsdev.c driver for fs-dax on character dax")
> Signed-off-by: John Groves <john@xxxxxxxxxx>
> ---

Reviewed-by: Alison Schofield <alison.schofield@xxxxxxxxx>