From 2db5ae5b28e73b4fc25680a18e06a94b20d22a84 Mon Sep 17 00:00:00 2001 From: Zhang Qilong Date: Mon, 2 Aug 2021 17:28:24 +0300 Subject: [PATCH] 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 [reworded the commit message] Signed-off-by: Luca Coelho Link: https://lore.kernel.org/r/iwlwifi.20210802172232.d16206ca60fc.I9984a9b442c84814c307cee3213044e24d26f38a@changeid Signed-off-by: Luca Coelho Signed-off-by: Sasha Levin --- drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) 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);