Re: [PATCH] dmaengine: idxd: Fix double free in idxd_setup_wqs()

[Vinod Koul]

On Mon, 11 Aug 2025 13:43:39 +0300, Dan Carpenter wrote:
> The clean up in idxd_setup_wqs() has had a couple bugs because the error
> handling is a bit subtle.  It's simpler to just re-write it in a cleaner
> way.  The issues here are:
> 
> 1) If "idxd->max_wqs" is <= 0 then we call put_device(conf_dev) when
>    "conf_dev" hasn't been initialized.
> 2) If kzalloc_node() fails then again "conf_dev" is invalid.  It's
>    either uninitialized or it points to the "conf_dev" from the
>    previous iteration so it leads to a double free.
> 
> [...]

Applied, thanks!

[1/1] dmaengine: idxd: Fix double free in idxd_setup_wqs()
      commit: 39aaa337449e71a41d4813be0226a722827ba606

Best regards,
-- 
~Vinod