| Message ID | 20201119124628.2926763-1-zhangqilong3@huawei.com |
|---|---|
| State | New |
| Headers | show |
| Series | iwlwifi: mvm: fix a memory leak in iwl_mvm_mac_ctxt_beacon_changed | expand |
On Thu, 2020-11-19 at 20:46 +0800, Zhang Qilong wrote: > In the error path of iwl_mvm_mac_ctxt_beacon_changed, > the beacon it not be freed, and use dev_kfree_skb to > free it. > > Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com> > --- > 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 8698ca4d30de..e9a804ffd984 100644 > --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c > +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c > @@ -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); Thanks! I applied this now to our internal tree and it will reach the mainline following our normal process. -- Cheers. Luca.
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c index 8698ca4d30de..e9a804ffd984 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c @@ -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);
In the error path of iwl_mvm_mac_ctxt_beacon_changed, the beacon it not be freed, and use dev_kfree_skb to free it. Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com> --- drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)