Re: linux-next: build failure after merge of the tty tree

[Greg KH <greg@kroah.com>]

On Thu, Jul 16, 2026 at 12:03:47AM -0400, Nathan Chancellor wrote:
> On Tue, Jul 14, 2026 at 11:26:02AM +0100, Mark Brown wrote:
> > On Tue, Jul 14, 2026 at 08:45:54AM +0200, Greg KH wrote:
> > > On Tue, Jul 14, 2026 at 11:36:44AM +0530, Praveen Talari wrote:
> > 
> > > > I don't see these errors in my local build. Is there any specific way to
> > > > build to see these errors?
> > 
> > > Nope, I can't duplicate this either on my side just by building this
> > > branch.  Is this coming from a change somewhere else that modifies
> > > PM_RUNTIME_ACQUIRE_IF_ENABLED()?
> > 
> > It's something clang reports.
> 
> Right, this change is broken, as the cleanup function will be called
> with an uninitialized pointer on any of the 'goto error' paths before
> the PM_RUNTIME_ACQUIRE_IF_ENABLED(). This goes against the documentation
> in include/linux/cleanup.h:
> 
>   Lastly, given that the benefit of cleanup helpers is removal of
>   “goto”, and that the “goto” statement can jump between scopes, the
>   expectation is that usage of “goto” and cleanup helpers is never mixed
>   in the same function. I.e. for a given routine, convert all resources
>   that need a “goto” cleanup to scope-based cleanup, or convert none of
>   them.

Ok, thanks, I'll go revert the offending commit now, sorry for the
delay.

greg k-h