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authorZhang Qilong <zhangqilong3@huawei.com>2021-08-02 17:28:24 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-09-22 12:26:36 +0200
commit2db5ae5b28e73b4fc25680a18e06a94b20d22a84 (patch)
treee4e4d39df04792b915b8a5454a3555430dad4f0e /drivers/net/wireless/intel
parent3da13a1e2a4559ae6e175e62956c124b2d61921e (diff)
iwlwifi: mvm: fix a memory leak in iwl_mvm_mac_ctxt_beacon_changed
[ Upstream commit 0f5d44ac6e55551798dd3da0ff847c8df5990822 ] If beacon_inject_active is true, we will return without freeing beacon. Fid that by freeing it before returning. Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com> [reworded the commit message] Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Link: https://lore.kernel.org/r/iwlwifi.20210802172232.d16206ca60fc.I9984a9b442c84814c307cee3213044e24d26f38a@changeid Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/net/wireless/intel')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
index 9c417dd06291..7736621dca65 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
@@ -1043,8 +1043,10 @@ int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
return -ENOMEM;
#ifdef CONFIG_IWLWIFI_DEBUGFS
- if (mvm->beacon_inject_active)
+ if (mvm->beacon_inject_active) {
+ dev_kfree_skb(beacon);
return -EBUSY;
+ }
#endif
ret = iwl_mvm_mac_ctxt_send_beacon(mvm, vif, beacon);