UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

wifi: nl80211: Add checks for nla_nest_start() in nl80211_send_iface() 

As the nla_nest_start() may fail with NULL returned, the return value needs
to be checked.

Fixes: ce08cd344a ("wifi: nl80211: expose link information for interfaces")
Signed-off-by: Yuan Can <yuancan@huawei.com>
Link: https://lore.kernel.org/r/20221129014211.56558-1-yuancan@huawei.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Yuan Can 2022-11-29 01:42:11 +00:00 committed by Johannes Berg
parent 278ab97931
commit 5cc58b3766
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
net/wireless/nl80211.c
View File

@ -3868,6 +3868,9 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flag
struct cfg80211_chan_def chandef = {};
int ret;
if (!link)
goto nla_put_failure;
if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id))
goto nla_put_failure;
if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,