From: Thomas Viehweger <Thomas.Viehweger@marconi.com>
Date: Thu, 22 Mar 2007 14:20:32 +0000 (-0300)
Subject: V4L/DVB (5472): Isl6421: don't reference freed memory
X-Git-Tag: v2.6.21-rc6~85^2
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=09d4895488d4df5c58b739573846f514ceabc911;p=linux-2.6

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>
---

diff --git a/drivers/media/dvb/frontends/isl6421.c b/drivers/media/dvb/frontends/isl6421.c
index ef319369ec..c967148a59 100644
--- a/drivers/media/dvb/frontends/isl6421.c
+++ b/drivers/media/dvb/frontends/isl6421.c
@@ -122,6 +122,7 @@ struct dvb_frontend *isl6421_attach(struct dvb_frontend *fe, struct i2c_adapter
 	/* detect if it is present or not */
 	if (isl6421_set_voltage(fe, SEC_VOLTAGE_OFF)) {
 		kfree(isl6421);
+		fe->sec_priv = NULL;
 		return NULL;
 	}