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[media] m88ts2022: return the err code in its probe function when error occurs

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if "chip_id" is wrong or "dev->cfg.clock_out" is invalid, the i2c model is still loaded.
It will cause "kernel NULL pointer dereference" oops when the i2c model remove.
returning the err code will prevent the i2c model load.

Signed-off-by: Nibble Max <nibble.max@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
nibble.max 2014-10-23 10:36:49 -03:00 • committed by Mauro Carvalho Chehab
commit 4954578efb
1 changed files with 2 additions and 0 deletions
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2
drivers/media/tuners/m88ts2022.c
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@ -488,6 +488,7 @@ static int m88ts2022_probe(struct i2c_client *client,
case 0x83:
break;
default:
ret = -ENODEV;
goto err;
}
@ -505,6 +506,7 @@ static int m88ts2022_probe(struct i2c_client *client,
u8tmp = 0x6c;
break;
default:
ret = -EINVAL;
goto err;
}