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mfd: max8998: Fix potential NULL pointer dereference

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if 'max8998_i2c_parse_dt_pdata() fails (when out of memory), a NULL
pointer dereference will occur in the error handling code.

Return directly instead.

Fixes: ee999fb3f17f("mfd: max8998: Add support for Device Tree")
Signed-off-by: Christophe JAILLET <[email protected]>
Signed-off-by: Lee Jones <[email protected]>
This commit is contained in:
Christophe JAILLET 2017-07-05 07:50:54 +02:00 • committed by Lee Jones
commit 2042f3c29f
1 changed files with 2 additions and 4 deletions
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6
drivers/mfd/max8998.c
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@ -192,10 +192,8 @@ static int max8998_i2c_probe(struct i2c_client *i2c,
if (IS_ENABLED(CONFIG_OF) && i2c->dev.of_node) {
pdata = max8998_i2c_parse_dt_pdata(&i2c->dev);
if (IS_ERR(pdata)) {
ret = PTR_ERR(pdata);
goto err;
}
if (IS_ERR(pdata))
return PTR_ERR(pdata);
}
i2c_set_clientdata(i2c, max8998);