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iwlwifi: mvm: fix a memory leak in iwl_mvm_mac_ctxt_beacon_changed

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[ Upstream commit 0f5d44ac6e ]

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>
This commit is contained in:
Zhang Qilong
2021-08-02 17:28:24 +03:00
committed by Greg Kroah-Hartman
parent 608c8359c5
commit 3ed8982df5
1 changed files with 3 additions and 1 deletions
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4
drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
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@@ -1044,8 +1044,10 @@ 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);