diff options
| author | Jarkko Nikula <jhnikula@gmail.com> | 2010-09-05 19:10:22 +0300 |
|---|---|---|
| committer | Liam Girdwood <lrg@slimlogic.co.uk> | 2010-09-06 11:36:22 +0100 |
| commit | c776357e0adc2a25bd22eb75155030132c88a0dd (patch) | |
| tree | 917edb0d57554a9a1a68ab471c41cdbede3617af | |
| parent | 098b1718230466b48f2027eb26cdc921760ae5da (diff) | |
ASoC: tlv320aic3x: Fix null pointer dereference when pdata is not set
Null pointer dereference will occur from *setup = pdata->setup if pdata
is not set. Fix this by moving assignments from pdata inside non-null case.
Thanks to Jiri Slaby <jirislaby@gmail.com> for noticing.
Signed-off-by: Jarkko Nikula <jhnikula@gmail.com>
Cc: Jiri Slaby <jirislaby@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
| -rw-r--r-- | sound/soc/codecs/tlv320aic3x.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c index 8577c50d8d22..b3175860bcb4 100644 --- a/sound/soc/codecs/tlv320aic3x.c +++ b/sound/soc/codecs/tlv320aic3x.c @@ -1360,7 +1360,6 @@ static int aic3x_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { struct aic3x_pdata *pdata = i2c->dev.platform_data; - struct aic3x_setup_data *setup = pdata->setup; struct aic3x_priv *aic3x; int ret, i; const struct i2c_device_id *tbl; @@ -1372,15 +1371,18 @@ static int aic3x_i2c_probe(struct i2c_client *i2c, } aic3x->control_data = i2c; - aic3x->setup = setup; i2c_set_clientdata(i2c, aic3x); + if (pdata) { + aic3x->gpio_reset = pdata->gpio_reset; + aic3x->setup = pdata->setup; + } else { + aic3x->gpio_reset = -1; + } - aic3x->gpio_reset = -1; - if (pdata && pdata->gpio_reset >= 0) { - ret = gpio_request(pdata->gpio_reset, "tlv320aic3x reset"); + if (aic3x->gpio_reset >= 0) { + ret = gpio_request(aic3x->gpio_reset, "tlv320aic3x reset"); if (ret != 0) goto err_gpio; - aic3x->gpio_reset = pdata->gpio_reset; gpio_direction_output(aic3x->gpio_reset, 0); } |