From: Yang Yingliang yangyingliang@huawei.com
[ Upstream commit e730cd57ac2dfe94bca0f14a3be8e1b21de41a9c ]
Some variables are leaked in the error handling in alloc_rtllib(), free the variables in the error path.
Fixes: 94a799425eee ("From: wlanfae wlanfae@realtek.com") Reviewed-by: Dan Carpenter dan.carpenter@oracle.com Reviewed-by: Pavel Skripkin paskripkin@gmail.com Signed-off-by: Yang Yingliang yangyingliang@huawei.com Link: https://lore.kernel.org/r/20211202030704.2425621-3-yangyingliang@huawei.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/staging/rtl8192e/rtllib_module.c | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtllib_module.c b/drivers/staging/rtl8192e/rtllib_module.c index 64d9feee1f392..f00ac94b2639b 100644 --- a/drivers/staging/rtl8192e/rtllib_module.c +++ b/drivers/staging/rtl8192e/rtllib_module.c @@ -88,7 +88,7 @@ struct net_device *alloc_rtllib(int sizeof_priv) err = rtllib_networks_allocate(ieee); if (err) { pr_err("Unable to allocate beacon storage: %d\n", err); - goto failed; + goto free_netdev; } rtllib_networks_initialize(ieee);
@@ -121,11 +121,13 @@ struct net_device *alloc_rtllib(int sizeof_priv) ieee->hwsec_active = 0;
memset(ieee->swcamtable, 0, sizeof(struct sw_cam_table) * 32); - rtllib_softmac_init(ieee); + err = rtllib_softmac_init(ieee); + if (err) + goto free_crypt_info;
ieee->pHTInfo = kzalloc(sizeof(struct rt_hi_throughput), GFP_KERNEL); if (!ieee->pHTInfo) - return NULL; + goto free_softmac;
HTUpdateDefaultSetting(ieee); HTInitializeHTInfo(ieee); @@ -141,8 +143,14 @@ struct net_device *alloc_rtllib(int sizeof_priv)
return dev;
- failed: +free_softmac: + rtllib_softmac_free(ieee); +free_crypt_info: + lib80211_crypt_info_free(&ieee->crypt_info); + rtllib_networks_free(ieee); +free_netdev: free_netdev(dev); + return NULL; } EXPORT_SYMBOL(alloc_rtllib);