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From: Gerd Hoffmann <kraxel@redhat.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: "David Airlie" <airlied@linux.ie>,
	"Marc-André Lureau" <marcandre.lureau@gmail.com>,
	qemu-devel@nongnu.org, "Max Reitz" <mreitz@redhat.com>
Subject: Re: [Qemu-devel] [PATCH v2 04/11] virtio-gpu: move iov free to virtio_gpu_cleanup_mapping_iov
Date: Fri, 25 Sep 2015 15:14:59 +0200	[thread overview]
Message-ID: <1443186899.1789.4.camel@redhat.com> (raw)
In-Reply-To: <20150924131554-mutt-send-email-mst@redhat.com>

On Do, 2015-09-24 at 13:16 +0300, Michael S. Tsirkin wrote:
> On Thu, Sep 24, 2015 at 11:04:55AM +0200, Gerd Hoffmann wrote:
> > Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
> 
> It's easy to see this is what the patch does.  But why?  Some
> explanation in the commit log about why it's done, as opposed to what is
> done, would be better.

It's for symmetry reasons: virtio_gpu_create_mapping_iov() allocates it
so virtio_gpu_cleanup_mapping_iov() should free it, otherwise it's easy
to miss a free() needed and leak memory.

cheers,
  Gerd

  reply	other threads:[~2015-09-25 13:15 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-24  9:04 [Qemu-devel] [PATCH v2 00/11] add virgl rendering support Gerd Hoffmann
2015-09-24  9:04 ` [Qemu-devel] [PATCH v2 01/11] shaders: initialize vertexes once Gerd Hoffmann
2015-09-28 15:32   ` Max Reitz
2015-09-24  9:04 ` [Qemu-devel] [PATCH v2 02/11] sdl2: stop flickering Gerd Hoffmann
2015-09-24  9:04 ` [Qemu-devel] [PATCH v2 03/11] ui/console: add opengl context and scanout support interfaces Gerd Hoffmann
2015-09-24  9:04 ` [Qemu-devel] [PATCH v2 04/11] virtio-gpu: move iov free to virtio_gpu_cleanup_mapping_iov Gerd Hoffmann
2015-09-24 10:16   ` Michael S. Tsirkin
2015-09-25 13:14     ` Gerd Hoffmann [this message]
2015-09-29 13:13       ` Michael S. Tsirkin
2015-09-28 15:46   ` Max Reitz
2015-09-24  9:04 ` [Qemu-devel] [PATCH v2 05/11] virtio-gpu: change licence from GPLv2 to GPLv2+ Gerd Hoffmann
2015-09-28 15:57   ` Max Reitz
2015-09-24  9:04 ` [Qemu-devel] [PATCH v2 06/11] virtio-gpu: update headers for virgl/3d Gerd Hoffmann
2015-09-24  9:04 ` [Qemu-devel] [PATCH v2 07/11] virtio-gpu: add 3d mode and virgl rendering support Gerd Hoffmann
2015-09-28 16:00   ` Max Reitz
2015-09-24  9:04 ` [Qemu-devel] [PATCH v2 08/11] sdl2/opengl: add opengl context and scanout support Gerd Hoffmann
2015-09-28 16:03   ` Max Reitz
2015-09-24  9:05 ` [Qemu-devel] [PATCH v2 09/11] opengl: add egl-context.[ch] helpers Gerd Hoffmann
2015-09-24  9:05 ` [Qemu-devel] [PATCH v2 10/11] gtk/opengl: add opengl context and scanout support (egl) Gerd Hoffmann
2015-09-24  9:05 ` [Qemu-devel] [PATCH v2 11/11] gtk/opengl: add opengl context and scanout support (GtkGLArea) Gerd Hoffmann
2015-09-24 17:09 ` [Qemu-devel] [PATCH v2 00/11] add virgl rendering support Marc-André Lureau
2015-09-25 13:30   ` Gerd Hoffmann
2015-09-28 16:07   ` Max Reitz
2015-09-29 12:46     ` Gerd Hoffmann

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