Messages in this thread Patch in this message | | | Date | Tue, 25 Jan 2005 01:31:39 +0100 | From | Johannes Stezenbach <> | Subject | [PATCH 2/4] fix access to freed memory |
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- [DVB] core: fix access to freed memory when unloading frontend drivers (fix by Gerd Knorr)
Signed-off-by: Johannes Stezenbach <js@linuxtv.org>
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; } - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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