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| author | Gao Feng <gfree.wind@vip.163.com> | 2017-10-31 18:25:37 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-12-20 10:04:59 +0100 |
| commit | 561b9d998e654801d439529adb7aa09e3a0d33d4 (patch) | |
| tree | ab5ae92835528671e8c22c1d4c5fc76099ba55dd | |
| parent | 083dd685aebd7ed22320a3e02c405a67c5c0cbd0 (diff) | |
| download | linux-stable-561b9d998e654801d439529adb7aa09e3a0d33d4.tar.gz linux-stable-561b9d998e654801d439529adb7aa09e3a0d33d4.tar.bz2 linux-stable-561b9d998e654801d439529adb7aa09e3a0d33d4.zip | |
ppp: Destroy the mutex when cleanup
[ Upstream commit f02b2320b27c16b644691267ee3b5c110846f49e ]
The mutex_destroy only makes sense when enable DEBUG_MUTEX. For the
good readbility, it's better to invoke it in exit func when the init
func invokes mutex_init.
Signed-off-by: Gao Feng <gfree.wind@vip.163.com>
Acked-by: Guillaume Nault <g.nault@alphalink.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/net/ppp/ppp_generic.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c index dc454138d600..e2decf71c6d1 100644 --- a/drivers/net/ppp/ppp_generic.c +++ b/drivers/net/ppp/ppp_generic.c @@ -942,6 +942,7 @@ static __net_exit void ppp_exit_net(struct net *net) unregister_netdevice_many(&list); rtnl_unlock(); + mutex_destroy(&pn->all_ppp_mutex); idr_destroy(&pn->units_idr); } |