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authorAlexey Khoroshilov <khoroshilov@ispras.ru>2018-10-05 23:22:06 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-12-21 14:11:35 +0100
commit3e5d4c14a7427dc2a24737c8dcc61688870d737a (patch)
treed7b06fae273efa4fabb32f7f42d4cab67303a2d1
parentc6bcf40f769294a80c64213f9175ccd408d64532 (diff)
downloadomap-omapzoom-3e5d4c14a7427dc2a24737c8dcc61688870d737a.tar.gz
mac80211_hwsim: fix module init error paths for netlink
[ Upstream commit 05cc09de4c017663a217630682041066f2f9a5cd ] There is no unregister netlink notifier and family on error paths in init_mac80211_hwsim(). Also there is an error path where hwsim_class is not destroyed. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru> Fixes: 62759361eb49 ("mac80211-hwsim: Provide multicast event for HWSIM_CMD_NEW_RADIO") Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--drivers/net/wireless/mac80211_hwsim.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 0852a1aad075..780acf23fd19 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -3403,16 +3403,16 @@ static int __init init_mac80211_hwsim(void)
if (err)
goto out_unregister_pernet;
+ err = hwsim_init_netlink();
+ if (err)
+ goto out_unregister_driver;
+
hwsim_class = class_create(THIS_MODULE, "mac80211_hwsim");
if (IS_ERR(hwsim_class)) {
err = PTR_ERR(hwsim_class);
- goto out_unregister_driver;
+ goto out_exit_netlink;
}
- err = hwsim_init_netlink();
- if (err < 0)
- goto out_unregister_driver;
-
for (i = 0; i < radios; i++) {
struct hwsim_new_radio_params param = { 0 };
@@ -3518,6 +3518,8 @@ out_free_mon:
free_netdev(hwsim_mon);
out_free_radios:
mac80211_hwsim_free();
+out_exit_netlink:
+ hwsim_exit_netlink();
out_unregister_driver:
platform_driver_unregister(&mac80211_hwsim_driver);
out_unregister_pernet: