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| author | Taehee Yoo <ap420073@gmail.com> | 2019-07-15 14:10:17 +0900 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2019-10-31 22:15:04 +0000 |
| commit | 7c711c927a6a0db6b992c9b1a35981e7f361cdf5 (patch) | |
| tree | 50e00ddcaed9473c3aa70496cd277b1ce05a8af4 /drivers | |
| parent | b33b7003f4a40c15cec238eaa62ba0829d8d5269 (diff) | |
| download | linux-7c711c927a6a0db6b992c9b1a35981e7f361cdf5.tar.gz linux-7c711c927a6a0db6b992c9b1a35981e7f361cdf5.tar.bz2 linux-7c711c927a6a0db6b992c9b1a35981e7f361cdf5.zip | |
caif-hsi: fix possible deadlock in cfhsi_exit_module()
commit fdd258d49e88a9e0b49ef04a506a796f1c768a8e upstream.
cfhsi_exit_module() calls unregister_netdev() under rtnl_lock().
but unregister_netdev() internally calls rtnl_lock().
So deadlock would occur.
Fixes: c41254006377 ("caif-hsi: Add rtnl support")
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/caif/caif_hsi.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/caif/caif_hsi.c b/drivers/net/caif/caif_hsi.c index b3b922adc0e4..e10834ca88b2 100644 --- a/drivers/net/caif/caif_hsi.c +++ b/drivers/net/caif/caif_hsi.c @@ -1467,7 +1467,7 @@ static void __exit cfhsi_exit_module(void) rtnl_lock(); list_for_each_safe(list_node, n, &cfhsi_list) { cfhsi = list_entry(list_node, struct cfhsi, list); - unregister_netdev(cfhsi->ndev); + unregister_netdevice(cfhsi->ndev); } rtnl_unlock(); } |