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From: DJ Delorie <dj@redhat.com>
To: Andreas Schwab <schwab@linux-m68k.org>
Cc: libc-alpha@sourceware.org
Subject: Re: v5 [PATCH 6/6] nsswitch: use new internal API (callers)
In-Reply-To: <87mtw2lt8a.fsf@igel.home> (message from Andreas Schwab on Wed,
 17 Feb 2021 14:27:33 +0100)
Date: Wed, 17 Feb 2021 15:44:47 -0500
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Andreas Schwab <schwab@linux-m68k.org> writes:

> On Feb 17 2021, DJ Delorie wrote:
>
>> +  /* Neither found, use default config.  */
>> +  *ni = __nss_action_parse (defconfig);
>> +  if (*ni != NULL)
>> +    return 0;
>> +
>> +  /* Failure.  */
>> +  return -1;
>
> How can that ever be reached?

Passing a syntactically incorrect string as defconfig, or memory
allocation failure.