From: Gustavo Padovan <gustavo@padovan.org>
To: Colin King <colin.king@canonical.com>
Cc: Eric Anholt <eric@anholt.net>, David Airlie <airlied@linux.ie>,
dri-devel@lists.freedesktop.org, kernel-janitors@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] drm/vc4: simplify exit path of a failed allocation of dsi_connector
Date: Mon, 6 Feb 2017 09:48:18 -0200 [thread overview]
Message-ID: <20170206114818.GA28952@joana> (raw)
In-Reply-To: <20170203195624.7189-1-colin.king@canonical.com>
Hi Colin,
2017-02-03 Colin King <colin.king@canonical.com>:
> From: Colin Ian King <colin.king@canonical.com>
>
> If dsi_connector fails to allocate, the exit path via label 'fail'
> checks if connector is null, which it always is, so the cleanup
> that destroys connector is never going to be called. Hence the
> failure path can be more optimally performed by removing this
> and just returning ERR_PTR(-ENOMEM). This also removes the need
> to initialize connector to NULL, and we can also remove ret too.
>
> Detected by CoverityScan, CID#1399504 ("Logicall Dead Code")
>
> Signed-off-by: Colin Ian King <colin.king@canonical.com>
> ---
> drivers/gpu/drm/vc4/vc4_dsi.c | 16 ++++------------
> 1 file changed, 4 insertions(+), 12 deletions(-)
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.com>
Gustavo
next prev parent reply other threads:[~2017-02-06 11:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-03 19:56 [PATCH] drm/vc4: simplify exit path of a failed allocation of dsi_connector Colin King
2017-02-06 11:48 ` Gustavo Padovan [this message]
2017-02-07 23:46 ` Eric Anholt
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=20170206114818.GA28952@joana \
--to=gustavo@padovan.org \
--cc=airlied@linux.ie \
--cc=colin.king@canonical.com \
--cc=dri-devel@lists.freedesktop.org \
--cc=eric@anholt.net \
--cc=kernel-janitors@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
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