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upstream: Check pointer for NULL before deref.

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None of the existing callers seem to do that, but it's worth checking.
From Coverity CID 291834, ok djm@

OpenBSD-Commit-ID: a0a97113f192a7cb1a2c97b932f677f573cda7a4
This commit is contained in:
dtucker@openbsd.org 2023-03-14 07:26:25 +00:00 committed by Darren Tucker
parent d95af508e7
commit 1d270bd303
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1 changed files with 3 additions and 1 deletions
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4
authfile.c
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@ -1,4 +1,4 @@
/* $OpenBSD: authfile.c,v 1.143 2022/06/21 14:52:13 tobhe Exp $ */
/* $OpenBSD: authfile.c,v 1.144 2023/03/14 07:26:25 dtucker Exp $ */
/*
* Copyright (c) 2000, 2013 Markus Friedl. All rights reserved.
*
@ -211,6 +211,8 @@ sshkey_try_load_public(struct sshkey **kp, const char *filename,
int r;
struct sshkey *k = NULL;
if (kp == NULL)
return SSH_ERR_INVALID_ARGUMENT;
*kp = NULL;
if (commentp != NULL)
*commentp = NULL;