V4L/DVB (5472): Isl6421: don't reference freed memory
After freeing a block there should be no reference to this block. Signed-off-by: Thomas Viehweger <Thomas.Viehweger@marconi.com> Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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@ -122,6 +122,7 @@ struct dvb_frontend *isl6421_attach(struct dvb_frontend *fe, struct i2c_adapter
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/* detect if it is present or not */
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if (isl6421_set_voltage(fe, SEC_VOLTAGE_OFF)) {
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kfree(isl6421);
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fe->sec_priv = NULL;
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return NULL;
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}
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