[alsa-devel] [PATCH] au88x0: mem leak fix in snd_vortex_create()
Hi,
In sound/pci/au88x0/au88x0.c::snd_vortex_create() : The Coverity checker found that if we allocate storage for 'chip' but then leave via the regions_out: label, then we end up leaking the storage allocated for 'chip'. I believe simply freeing 'chip' before the "return err;" line is all we need to fix this, but please double-check me :)
Signed-off-by: Jesper Juhl jesper.juhl@gmail.com ---
diff --git a/sound/pci/au88x0/au88x0.c b/sound/pci/au88x0/au88x0.c index 5ec1b6f..f70286a 100644 --- a/sound/pci/au88x0/au88x0.c +++ b/sound/pci/au88x0/au88x0.c @@ -232,6 +232,7 @@ snd_vortex_create(struct snd_card *card, struct pci_dev *pci, vortex_t ** rchip) pci_disable_device(chip->pci_dev); //FIXME: this not the right place to unregister the gameport vortex_gameport_unregister(chip); + kfree(chip); return err; }
On 08/04/2007 02:09 AM, Jesper Juhl wrote:
In sound/pci/au88x0/au88x0.c::snd_vortex_create() : The Coverity checker found that if we allocate storage for 'chip' but then leave via the regions_out: label, then we end up leaking the storage allocated for 'chip'. I believe simply freeing 'chip' before the "return err;" line is all we need to fix this, but please double-check me :)
Signed-off-by: Jesper Juhl jesper.juhl@gmail.com
diff --git a/sound/pci/au88x0/au88x0.c b/sound/pci/au88x0/au88x0.c index 5ec1b6f..f70286a 100644 --- a/sound/pci/au88x0/au88x0.c +++ b/sound/pci/au88x0/au88x0.c @@ -232,6 +232,7 @@ snd_vortex_create(struct snd_card *card, struct pci_dev *pci, vortex_t ** rchip) pci_disable_device(chip->pci_dev); //FIXME: this not the right place to unregister the gameport vortex_gameport_unregister(chip);
- kfree(chip); return err;
}
ACK.
Rene.
At Sat, 4 Aug 2007 02:09:25 +0200, Jesper Juhl wrote:
Hi,
In sound/pci/au88x0/au88x0.c::snd_vortex_create() : The Coverity checker found that if we allocate storage for 'chip' but then leave via the regions_out: label, then we end up leaking the storage allocated for 'chip'. I believe simply freeing 'chip' before the "return err;" line is all we need to fix this, but please double-check me :)
Signed-off-by: Jesper Juhl jesper.juhl@gmail.com
Thanks, applied to ALSA tree now.
Takashi
participants (3)
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Jesper Juhl
-
Rene Herman
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Takashi Iwai