Re: lib/test_hmm.c:932 dmirror_migrate_to_system() error: uninitialized symbol 'ret'.

[Dan Carpenter]

On Tue, Feb 03, 2026 at 09:34:40PM +1100, Balbir Singh wrote:
> > 4c2e0f764eb4444 Alex Sierra     2022-07-15  928  out:
> > 4c2e0f764eb4444 Alex Sierra     2022-07-15  929  	mmap_read_unlock(mm);
> > 4c2e0f764eb4444 Alex Sierra     2022-07-15  930  	mmput(mm);
> > 4c2e0f764eb4444 Alex Sierra     2022-07-15  931  
> > 4c2e0f764eb4444 Alex Sierra     2022-07-15 @932  	return ret;
> > 4c2e0f764eb4444 Alex Sierra     2022-07-15  933  }
> > 
> 
> The code looks older than the current top of master? The smatch warning is still valid though. I was wondering
> did smatch get new heuristics to catch this?

Sorry, I can't explain what happened here.  I had seen the warning before
years ago and not reported it.  :(  I don't know why the zero-day bot is
only complaining now though, or why it blames that specific commit.

regards,
dan carpenter