diff options
| author | Lee Jones <lee.jones@linaro.org> | 2012-07-26 14:28:37 +0400 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-08-04 02:03:55 +0400 |
| commit | 0dcd47426abde223b2386165470ec45d9777478e (patch) | |
| tree | 4dd22c7e7ffbc223f33b5951b2a111f0d0d8942d /sound/soc/ux500 | |
| parent | fbfe69836c088bcc0c5a0f32e788d3aef5f66aca (diff) | |
| download | linux-0dcd47426abde223b2386165470ec45d9777478e.tar.xz | |
ASoC: ux500: Strengthen error checking after memory allocation
Currently there is no out-of-memory error checking after attempting
to allocate memory for the ux500_msp or ux500_msp_i2s_drvdata data
structures. Instead we go about populating them regardless. This
patch applies the necessary error checking to prevent a panic.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/ux500')
| -rw-r--r-- | sound/soc/ux500/ux500_msp_dai.c | 3 | ||||
| -rw-r--r-- | sound/soc/ux500/ux500_msp_i2s.c | 2 |
2 files changed, 5 insertions, 0 deletions
diff --git a/sound/soc/ux500/ux500_msp_dai.c b/sound/soc/ux500/ux500_msp_dai.c index 057e28ef770e..772cb19d2fb3 100644 --- a/sound/soc/ux500/ux500_msp_dai.c +++ b/sound/soc/ux500/ux500_msp_dai.c @@ -760,6 +760,9 @@ static int __devinit ux500_msp_drv_probe(struct platform_device *pdev) drvdata = devm_kzalloc(&pdev->dev, sizeof(struct ux500_msp_i2s_drvdata), GFP_KERNEL); + if (!drvdata) + return -ENOMEM; + drvdata->fmt = 0; drvdata->slots = 1; drvdata->tx_mask = 0x01; diff --git a/sound/soc/ux500/ux500_msp_i2s.c b/sound/soc/ux500/ux500_msp_i2s.c index 5c472f335a64..36be11e47ad6 100644 --- a/sound/soc/ux500/ux500_msp_i2s.c +++ b/sound/soc/ux500/ux500_msp_i2s.c @@ -673,6 +673,8 @@ int ux500_msp_i2s_init_msp(struct platform_device *pdev, *msp_p = devm_kzalloc(&pdev->dev, sizeof(struct ux500_msp), GFP_KERNEL); msp = *msp_p; + if (!msp) + return -ENOMEM; msp->id = platform_data->id; msp->dev = &pdev->dev; |