public inbox for git@vger.kernel.org 
 help / color / mirror / Atom feed
From: Junio C Hamano <gitster@pobox•com>
To: Stefan Beller <sbeller@google•com>
Cc: git@vger•kernel.org
Subject: Re: [PATCH] builtin/apply.c: fix a memleak (Fixup, squashable)
Date: Mon, 23 Mar 2015 10:27:13 -0700	[thread overview]
Message-ID: <xmqqwq27aaku.fsf@gitster.dls.corp.google.com> (raw)
In-Reply-To: <1427130811-21222-1-git-send-email-sbeller@google.com> (Stefan Beller's message of "Mon, 23 Mar 2015 10:13:31 -0700")

Stefan Beller <sbeller@google•com> writes:

> Signed-off-by: Stefan Beller <sbeller@google•com>
> ---
>
>> By the way, aren't the following also leaking here?
>>
>>  - the strbuf newlines that starts out as "size"
>>  - line[] arrays of preimage and postimage
>>
>
> yes :(
>
> I think a viable replacement may be below.

Yeah, that looks a lot more sensible and straight-forward.

Thanks.

> That way the returned value of the function is not -1, but 1.
> We're using the return value only as a boolean, so it doesn't
> really matter.
>
>  builtin/apply.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
>  
> diff --git a/builtin/apply.c b/builtin/apply.c
> index e152c4d..0769b09 100644
> --- a/builtin/apply.c
> +++ b/builtin/apply.c
> @@ -2776,8 +2776,8 @@ static int apply_one_fragment(struct image *img, struct fragment *frag,
>  		default:
>  			if (apply_verbosely)
>  				error(_("invalid start of line: '%c'"), first);
> -			free(oldlines);
> -			return -1;
> +			applied_pos = -1;
> +			goto out;
>  		}
>  		if (added_blank_line) {
>  			if (!new_blank_lines_at_end)
> @@ -2916,6 +2916,7 @@ static int apply_one_fragment(struct image *img, struct fragment *frag,
>  			      (int)(old - oldlines), oldlines);
>  	}
>  
> +out:
>  	free(oldlines);
>  	strbuf_release(&newlines);
>  	free(preimage.line_allocated);

  reply	other threads:[~2015-03-23 17:27 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-21  0:27 [PATCH 00/15] Fixing memory leaks Stefan Beller
2015-03-21  0:27 ` [PATCH 01/15] read-cache: fix memleak Stefan Beller
2015-03-21  3:26   ` Junio C Hamano
2015-03-23 16:24     ` Stefan Beller
2015-03-23 17:57       ` [PATCH 1/2] " Stefan Beller
2015-03-23 17:57         ` [PATCH 2/2] read-cache.c: fix a memleak in add_to_index Stefan Beller
2015-03-23 18:07           ` Junio C Hamano
2015-03-23 18:11         ` [PATCH 1/2] read-cache: fix memleak Junio C Hamano
2015-03-21  0:27 ` [PATCH 02/15] read-cache: Improve readability Stefan Beller
2015-03-21  4:19   ` Junio C Hamano
2015-03-21  5:11     ` Stefan Beller
2015-03-22 19:26       ` Junio C Hamano
2015-03-21  0:28 ` [PATCH 03/15] read-cache: free cache entry in add_to_index in case of early return Stefan Beller
2015-03-21  3:31   ` Junio C Hamano
2015-03-21  5:10     ` Stefan Beller
2015-03-22 19:11       ` Junio C Hamano
2015-03-21  0:28 ` [PATCH 04/15] update-index: fix a memleak Stefan Beller
2015-03-21  3:40   ` Junio C Hamano
2015-03-23 16:53     ` [PATCH] update-index: Don't copy memory around Stefan Beller
2015-03-23 17:11       ` Junio C Hamano
2015-03-21  0:28 ` [PATCH 05/15] builtin/apply.c: fix a memleak Stefan Beller
2015-03-21  3:45   ` Junio C Hamano
2015-03-23 17:13     ` [PATCH] builtin/apply.c: fix a memleak (Fixup, squashable) Stefan Beller
2015-03-23 17:27       ` Junio C Hamano [this message]
2015-03-21  0:28 ` [PATCH 06/15] merge-blobs.c: Fix a memleak Stefan Beller
2015-03-21  0:28 ` [PATCH 07/15] merge-recursive: fix memleaks Stefan Beller
2015-03-21  3:48   ` Junio C Hamano
2015-03-21  0:28 ` [PATCH 08/15] http-push: Remove unneeded cleanup Stefan Beller
2015-03-21  0:28 ` [PATCH 09/15] http: release the memory of a http pack request as well Stefan Beller
2015-03-22 19:36   ` Junio C Hamano
2015-03-24 16:54     ` Stefan Beller
2015-03-24 17:48       ` Junio C Hamano
2015-03-21  0:28 ` [PATCH 10/15] commit.c: fix a memory leak Stefan Beller
2015-03-21  3:59   ` Junio C Hamano
2015-03-24 13:42     ` Duy Nguyen
2015-03-24 21:17       ` Re* " Junio C Hamano
2015-03-24 21:20         ` Stefan Beller
2015-03-21  0:28 ` [PATCH 11/15] builtin/check-attr: fix a memleak Stefan Beller
2015-03-21  4:02   ` Junio C Hamano
2015-03-21  0:28 ` [PATCH 12/15] builtin/merge-base: fix memleak Stefan Beller
2015-03-21  0:28 ` [PATCH 13/15] builtin/unpack-file: fix a memleak Stefan Beller
2015-03-21  0:28 ` [PATCH 14/15] builtin/cat-file: free memleak Stefan Beller
2015-03-21  0:28 ` [PATCH 15/15] ls-files: fix a memleak Stefan Beller
2015-03-21  3:21 ` [PATCH 00/15] Fixing memory leaks Junio C Hamano

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=xmqqwq27aaku.fsf@gitster.dls.corp.google.com \
    --to=gitster@pobox$(echo .)com \
    --cc=git@vger$(echo .)kernel.org \
    --cc=sbeller@google$(echo .)com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox