- [DVB] core: fix access to freed memory when unloading frontend
drivers (fix by Gerd Knorr)
Signed-off-by: Johannes Stezenbach <[EMAIL PROTECTED]>
diff -rupN linux-2.6.11-rc2-bk2/drivers/media/dvb/dvb-core/dvb_frontend.c
linux-2.6.11-rc2-bk2-dvb/drivers/media/dvb/dvb-core/dvb_frontend.c
--- linux-2.6.11-rc2-bk2/drivers/media/dvb/dvb-core/dvb_frontend.c
2005-01-24 23:18:39.000000000 +0100
+++ linux-2.6.11-rc2-bk2-dvb/drivers/media/dvb/dvb-core/dvb_frontend.c
2005-01-25 00:17:56.000000000 +0100
@@ -912,8 +912,9 @@ int dvb_unregister_frontend(struct dvb_f
fe->ops->release(fe);
else
printk("dvb_frontend: Demodulator (%s) does not have a release
callback!\n", fe->ops->info.name);
- if (fe->frontend_priv)
- kfree(fe->frontend_priv);
+ /* fe is invalid now */
+ if (fepriv)
+ kfree(fepriv);
up (&frontend_mutex);
return 0;
}
-
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