mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity

staging: r8188eu: stop beacon processing if kmalloc fails 

If we cannot allocate a struct wlan_bssid_ex in the OnBeacon function, we
should stop processing the incoming beacon message and return.

For kmalloc failures, the current code just skips the update of network
and beacon info and tries to continue with the authentication. The update
would set the encryption algorithm that should be used for the
authentication.

Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20221126160129.178697-9-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Martin Kaiser 2022-11-26 17:01:27 +01:00 committed by Greg Kroah-Hartman
parent 32634359a9
commit fa205589d5
1 changed files with 7 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/staging/r8188eu/core/rtw_mlme_ext.c
View File

@ -575,13 +575,14 @@ static void OnBeacon(struct adapter *padapter, struct recv_frame *precv_frame)
if (pmlmeinfo->state & WIFI_FW_AUTH_NULL) {
/* we should update current network before auth, or some IE is wrong */
pbss = kmalloc(sizeof(struct wlan_bssid_ex), GFP_ATOMIC);
if (pbss) {
if (collect_bss_info(padapter, precv_frame, pbss) == _SUCCESS) {
update_network(&pmlmepriv->cur_network.network, pbss, padapter, true);
rtw_get_bcn_info(&pmlmepriv->cur_network);
}
kfree(pbss);
if (!pbss)
return;
if (collect_bss_info(padapter, precv_frame, pbss) == _SUCCESS) {
update_network(&pmlmepriv->cur_network.network, pbss, padapter, true);
rtw_get_bcn_info(&pmlmepriv->cur_network);
}
kfree(pbss);
/* check the vendor of the assoc AP */
pmlmeinfo->assoc_AP_vendor = check_assoc_AP(pframe + sizeof(struct ieee80211_hdr_3addr), len - sizeof(struct ieee80211_hdr_3addr));