* [PATCH] ASoC: omap-hdmi-audio: Add missing error check for devm_kzalloc
@ 2015-02-12 9:08 Kiran Padwal
2015-02-12 9:22 ` Peter Ujfalusi
2015-02-14 4:33 ` Mark Brown
0 siblings, 2 replies; 3+ messages in thread
From: Kiran Padwal @ 2015-02-12 9:08 UTC (permalink / raw)
To: Mark Brown
Cc: Liam Girdwood, Jarkko Nikula, Peter Ujfalusi, Jaroslav Kysela,
Takashi Iwai, linux-omap, alsa-devel, linux-kernel, Kiran Padwal,
Kiran Padwal
This patch add a missing check on the return value of devm_kzalloc,
which would cause a NULL pointer dereference in a OOM situation.
Signed-off-by: Kiran Padwal <kiran.padwal@smartplayin.com>
---
sound/soc/omap/omap-hdmi-audio.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/sound/soc/omap/omap-hdmi-audio.c b/sound/soc/omap/omap-hdmi-audio.c
index ccfb41c..f7eb42a 100644
--- a/sound/soc/omap/omap-hdmi-audio.c
+++ b/sound/soc/omap/omap-hdmi-audio.c
@@ -352,6 +352,9 @@ static int omap_hdmi_audio_probe(struct platform_device *pdev)
return ret;
card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
+ if (!card)
+ return -ENOMEM;
+
card->name = devm_kasprintf(dev, GFP_KERNEL,
"HDMI %s", dev_name(ad->dssdev));
card->owner = THIS_MODULE;
--
1.7.9.5
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] ASoC: omap-hdmi-audio: Add missing error check for devm_kzalloc
2015-02-12 9:08 [PATCH] ASoC: omap-hdmi-audio: Add missing error check for devm_kzalloc Kiran Padwal
@ 2015-02-12 9:22 ` Peter Ujfalusi
2015-02-14 4:33 ` Mark Brown
1 sibling, 0 replies; 3+ messages in thread
From: Peter Ujfalusi @ 2015-02-12 9:22 UTC (permalink / raw)
To: Kiran Padwal, Mark Brown
Cc: Liam Girdwood, Jarkko Nikula, Jaroslav Kysela, Takashi Iwai,
linux-omap, alsa-devel, linux-kernel, Kiran Padwal, Sarha, Jyri
On 02/12/2015 11:08 AM, Kiran Padwal wrote:
> This patch add a missing check on the return value of devm_kzalloc,
> which would cause a NULL pointer dereference in a OOM situation.
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
>
> Signed-off-by: Kiran Padwal <kiran.padwal@smartplayin.com>
> ---
> sound/soc/omap/omap-hdmi-audio.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/sound/soc/omap/omap-hdmi-audio.c b/sound/soc/omap/omap-hdmi-audio.c
> index ccfb41c..f7eb42a 100644
> --- a/sound/soc/omap/omap-hdmi-audio.c
> +++ b/sound/soc/omap/omap-hdmi-audio.c
> @@ -352,6 +352,9 @@ static int omap_hdmi_audio_probe(struct platform_device *pdev)
> return ret;
>
> card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
> + if (!card)
> + return -ENOMEM;
> +
> card->name = devm_kasprintf(dev, GFP_KERNEL,
> "HDMI %s", dev_name(ad->dssdev));
> card->owner = THIS_MODULE;
>
--
Péter
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] ASoC: omap-hdmi-audio: Add missing error check for devm_kzalloc
2015-02-12 9:08 [PATCH] ASoC: omap-hdmi-audio: Add missing error check for devm_kzalloc Kiran Padwal
2015-02-12 9:22 ` Peter Ujfalusi
@ 2015-02-14 4:33 ` Mark Brown
1 sibling, 0 replies; 3+ messages in thread
From: Mark Brown @ 2015-02-14 4:33 UTC (permalink / raw)
To: Kiran Padwal
Cc: Liam Girdwood, Jarkko Nikula, Peter Ujfalusi, Jaroslav Kysela,
Takashi Iwai, linux-omap, alsa-devel, linux-kernel, Kiran Padwal
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On Thu, Feb 12, 2015 at 02:38:02PM +0530, Kiran Padwal wrote:
> This patch add a missing check on the return value of devm_kzalloc,
> which would cause a NULL pointer dereference in a OOM situation.
Applied, thanks.
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^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2015-02-14 4:34 UTC | newest]
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2015-02-12 9:08 [PATCH] ASoC: omap-hdmi-audio: Add missing error check for devm_kzalloc Kiran Padwal
2015-02-12 9:22 ` Peter Ujfalusi
2015-02-14 4:33 ` Mark Brown
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