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From: "ノウラ | Flare" <nouraellm@gmail.com>
To: Jeff King <peff@peff.net>
Cc: "Junio C Hamano" <gitster@pobox.com>,
	"ノウラ | Flare via GitGitGadget" <gitgitgadget@gmail.com>,
	git@vger.kernel.org
Subject: Re: [PATCH v5] alloc: fix dangling pointer in alloc_state cleanup
Date: Fri, 5 Sep 2025 19:27:30 +0200	[thread overview]
Message-ID: <4010daa5-92af-4d96-a27b-bcb6eeb5d3a1@gmail.com> (raw)
In-Reply-To: <20250905132309.GC596956@coredump.intra.peff.net>

>>> > I agree that is the right thing. But it is equivalent to:
>>>
>>> > if (!s) return;
>>>
>>> > since we'll have just assigned "s". Which one to choose is purely a
>>> > matter of style. Using "*s_" perhaps makes it more clear that we are
>>> > sanity-checking the input (and could happen even before we assign "s").
>>> > Using "s" is consistent with the rest of the function in working with
>>> > the more direct pointer value. I am happy with either.

I know, I used the original one (**s_) for the explanation. No the check cannot
happen before we assign (that's what I did initially) because tests will
fail given C90 requires declarations to be at the top of the block.


  reply	other threads:[~2025-09-05 17:27 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-26 19:57 [PATCH] reset slab_alloc and state fields in clear_alloc_state() ノウラ | Flare via GitGitGadget
2025-08-27  2:07 ` Junio C Hamano
2025-08-27 23:28 ` [PATCH v2] alloc: fix dangling pointer in alloc_state cleanup ノウラ | Flare via GitGitGadget
2025-08-28 19:29   ` Torsten Bögershausen
2025-08-28 19:47     ` Junio C Hamano
2025-08-28 20:01       ` Junio C Hamano
2025-08-29 13:00   ` [PATCH v3] " ノウラ | Flare via GitGitGadget
2025-09-03 11:18     ` Jeff King
2025-09-03 21:59       ` Junio C Hamano
2025-09-03 23:17     ` [PATCH v4] " ノウラ | Flare via GitGitGadget
2025-09-04  7:47       ` Junio C Hamano
2025-09-04 13:25         ` ノウラ | Flare
2025-09-04 16:43           ` Junio C Hamano
2025-09-04 17:44       ` [PATCH v5] " ノウラ | Flare via GitGitGadget
2025-09-04 20:25         ` Junio C Hamano
2025-09-04 20:49         ` Jeff King
2025-09-04 22:26           ` Junio C Hamano
2025-09-05  0:02             ` ノウラ | Flare
2025-09-05 13:23               ` Jeff King
2025-09-05 17:27                 ` ノウラ | Flare [this message]
2025-09-05  0:07             ` ノウラ | Flare
2025-09-05  0:25               ` ノウラ | Flare
2025-09-05  1:03                 ` ノウラ | Flare
2025-09-05 14:39                 ` Junio C Hamano
2025-09-05 17:47                   ` ノウラ | Flare
2025-09-05 13:15             ` Jeff King
2025-09-05 18:51         ` [PATCH v6] " ノウラ | Flare via GitGitGadget
2025-09-05 19:37           ` Junio C Hamano

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