Re: [PATCH v3] rust: pwm: replace `core::mem::zeroed` with `pin_init::zeroed`

Hello,

On Wed, Jun 03, 2026 at 07:09:09PM +0300, Francis Laniel wrote:
> All types in `bindings` implement `Zeroable` if they can, so use
> `pin_init::zeroed` instead of relying on `unsafe` code.
> 
> If this ends up not compiling in the future, something in bindgen or on
> the C side changed and is most likely incorrect.
> 
> Suggested-by: Benno Lossin <[email protected]>
> Link: https://github.com/Rust-for-Linux/linux/issues/1189
> Reviewed-by: Alexandre Courbot <[email protected]>
> Acked-by: Michal Wilczynski <[email protected]>
> Signed-off-by: Francis Laniel <[email protected]>

Applied to

	https://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux.git pwm/for-next

for the 7.3 merge window.

b4 behaved strange on that patch:

	$ b4 am -s -l -t -3 [email protected]
	Grabbing thread from lore.kernel.org/all/[email protected]/t.mbox.gz
	Analyzing 2 messages in the thread
	Looking for additional code-review trailers on lore.kernel.org
	Analyzing 23 code-review messages
	Checking attestation on all messages, may take a moment...
	---
	  ✓ [PATCH v3] rust: pwm: replace `core::mem::zeroed` with `pin_init::zeroed`
	    + Link: https://patch.msgid.link/[email protected]
	    + Signed-off-by: Uwe Kleine-König <[email protected]>
	  ---
	  ✓ Signed: DKIM/privacyrequired.com
	---
	Total patches: 1
	---
	NOTE: some trailers ignored due to from/email mismatches:
	    ! Trailer: Suggested-by: Benno Lossin <[email protected]>
	     Msg From: Miguel Ojeda <[email protected]>
	    ! Trailer: Acked-by: Michal Wilczynski <[email protected]>
	     Msg From: Miguel Ojeda <[email protected]>
	    ! Trailer: Signed-off-by: Francis Laniel <[email protected]>
	     Msg From: Miguel Ojeda <[email protected]>
	    ! Trailer: Reviewed-by: Alexandre Courbot <[email protected]>
	     Msg From: Miguel Ojeda <[email protected]>
	NOTE: Rerun with -S to apply them anyway
	Preparing fake-am for v3: rust: pwm: replace `core::mem::zeroed` with `pin_init::zeroed`
	  range: 2707b9df955d..81c3f2b030a1
	Preared a fake commit range for 3-way merge (2707b9df955d..81c3f2b030a1)
	---
	 Link: https://patch.msgid.link/[email protected]
	 Base: applies clean to current tree
	       git checkout -b v3_20260603_laniel_francis_privacyrequired_com HEAD
	       git am -3 ./v3_20260603_laniel_francis_rust_pwm_replace_core_mem_zeroed_with_pin_init_zeroed.mbx

I didn't research what went wrong there and the trailer made it into the
patch anyhow and adding -S doesn't change the patch. I added the
[email protected] mailing list to Cc:, maybe someone there wants to debug that.

Best regards and thanks for your contribution,
Uwe

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