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From: Jonathan Nieder <jrnieder@gmail.com>
To: Jeff King <peff@peff.net>
Cc: Stefan Beller <sbeller@google.com>,
	sahlberg@google.com, gitster@pobox.com, git@vger.kernel.org
Subject: Re: [PATCH 3/4] lock_ref_sha1_basic: simplify error code path
Date: Tue, 18 Nov 2014 18:00:09 -0800	[thread overview]
Message-ID: <20141119020009.GR6527@google.com> (raw)
In-Reply-To: <20141119013739.GC2135@peff.net>

Jeff King wrote:

> For most errors, we jump to a goto label that unlocks the
> ref and returns NULL. However, in none of these error paths
> would we ever have actually locked the ref. By the time we
> actually take the lock, we follow a different path that does
> not ever hit this goto (we rely on verify_lock to unlock if
> it finds an error).
[...]
>  refs.c | 12 ++++--------
>  1 file changed, 4 insertions(+), 8 deletions(-)

Wouldn't this leak lock (in all cases) and lock->ref_name and
lock->orig_ref_name (on safe_create_leading_directories failure)?

  reply	other threads:[~2014-11-19  2:00 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-11-18 23:17 [PATCH] refs.c: handle locking failure during transaction better Stefan Beller
2014-11-18 23:34 ` Stefan Beller
2014-11-19  1:13   ` Stefan Beller
2014-11-19  1:35     ` [PATCH 0/4] error cleanups in lock_ref_sha1_basic Jeff King
2014-11-19  1:37       ` [PATCH 1/4] error: save and restore errno Jeff King
2014-11-19  1:41         ` Stefan Beller
2014-11-19  1:43         ` Jonathan Nieder
2014-11-19  1:47           ` Jeff King
2014-11-19 18:14             ` Junio C Hamano
2014-11-19 18:28               ` Jeff King
2014-11-19  1:37       ` [PATCH 2/4] lock_ref_sha1_basic: simplify errno handling Jeff King
2014-11-19  1:54         ` Jonathan Nieder
2014-11-21  9:25         ` Michael Haggerty
2014-11-19  1:37       ` [PATCH 3/4] lock_ref_sha1_basic: simplify error code path Jeff King
2014-11-19  2:00         ` Jonathan Nieder [this message]
2014-11-19  2:04           ` Jeff King
2014-11-19  2:07             ` Jonathan Nieder
2014-11-19 21:41               ` Junio C Hamano
2014-11-19 22:28               ` Jeff King
2014-11-19 22:34                 ` Junio C Hamano
2014-11-19 22:36                   ` Jeff King
2014-11-20  1:07                 ` Jonathan Nieder
2014-11-19  1:41       ` [PATCH 4/4] lock_ref_sha1_basic: do not die on locking errors Jeff King
2014-11-19  2:05         ` Jonathan Nieder

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