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| author | Johannes Stezenbach <devnull@localhost> | 2005-01-24 22:43:47 +0000 |
|---|---|---|
| committer | Johannes Stezenbach <devnull@localhost> | 2005-01-24 22:43:47 +0000 |
| commit | 62fa5afaabfd4a3b65fd95ed59e3781830a8403e (patch) | |
| tree | 06a1948e34d0a2c5cfd0a29fd6cfe4594411c66a /linux/drivers/media | |
| parent | 3569e234dd89bedeaa00e3a4ea8db2f0c5135210 (diff) | |
| download | mediapointer-dvb-s2-62fa5afaabfd4a3b65fd95ed59e3781830a8403e.tar.gz mediapointer-dvb-s2-62fa5afaabfd4a3b65fd95ed59e3781830a8403e.tar.bz2 | |
patch by Gerd Knorr: fix access to freed memory when unloading frontend drivers
Diffstat (limited to 'linux/drivers/media')
| -rw-r--r-- | linux/drivers/media/dvb/dvb-core/dvb_frontend.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/linux/drivers/media/dvb/dvb-core/dvb_frontend.c b/linux/drivers/media/dvb/dvb-core/dvb_frontend.c index 85790c0cf..60c888eb2 100644 --- a/linux/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/linux/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -907,8 +907,9 @@ int dvb_unregister_frontend(struct dvb_frontend* fe) 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; } |