From: Markus Elfring <Markus.Elfring@web.de>
To: Navid Emamdoost <navid.emamdoost@gmail.com>,
dri-devel@lists.freedesktop.org
Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org,
Navid Emamdoost <emamd001@umn.edu>, Kangjie Lu <kjlu@umn.edu>,
Stephen McCamant <smccaman@umn.edu>,
Daniel Vetter <daniel@ffwll.ch>, David Airlie <airlied@linux.ie>,
Eric Anholt <eric@anholt.net>
Subject: Re: [PATCH] drm/v3d: Fix memory leak in v3d_submit_cl_ioctl
Date: Mon, 21 Oct 2019 22:40:22 +0200 [thread overview]
Message-ID: <a28f12a8-49c4-30f0-cc86-6a41ded96ab2@web.de> (raw)
In-Reply-To: <20191021185250.26130-1-navid.emamdoost@gmail.com>
> In the impelementation of v3d_submit_cl_ioctl() there are two memory leaks.
Please avoid another typo also in this change description.
> … If kcalloc fails to allocate memory for bin then
> render->base should be put. Also, if v3d_job_init() fails to initialize
> bin->base then allocated memory for bin should be released.
Will an “imperative mood” be more appropriate for such wordings?
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/submitting-patches.rst?id=7d194c2100ad2a6dded545887d02754948ca5241#n151
…
> +++ b/drivers/gpu/drm/v3d/v3d_gem.c
> @@ -557,13 +557,16 @@ v3d_submit_cl_ioctl(struct drm_device *dev, void *data,
…
> if (ret) {
> v3d_job_put(&render->base);
> + kfree(bin);
…
Can it be helpful to move the added function call before the other
in this if branch (if you prefer to avoid the addition of a jump target here)?
Regards,
Markus
next prev parent reply other threads:[~2019-10-21 20:40 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-21 18:52 Navid Emamdoost
2019-10-21 20:40 ` Markus Elfring [this message]
2019-10-22 7:30 ` Markus Elfring
2019-10-22 9:36 ` Daniel Vetter
2019-10-23 3:53 ` Navid Emamdoost
2019-10-23 9:16 ` Daniel Vetter
2019-10-23 18:59 ` Daniel Vetter
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