diff options
Diffstat (limited to 'package/network')
| -rw-r--r-- | package/network/services/hostapd/patches/051-wpa_supplicant-fix-race-condition-in-mesh-mpm-new-pe.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/package/network/services/hostapd/patches/051-wpa_supplicant-fix-race-condition-in-mesh-mpm-new-pe.patch b/package/network/services/hostapd/patches/051-wpa_supplicant-fix-race-condition-in-mesh-mpm-new-pe.patch new file mode 100644 index 0000000000..b5bd7b0a68 --- /dev/null +++ b/package/network/services/hostapd/patches/051-wpa_supplicant-fix-race-condition-in-mesh-mpm-new-pe.patch @@ -0,0 +1,34 @@ +From: Felix Fietkau <nbd@nbd.name> +Date: Tue, 12 Feb 2019 14:22:43 +0100 +Subject: [PATCH] wpa_supplicant: fix race condition in mesh mpm new peer + handling + +When wpa_supplicant receives another new peer event before the first one +has been processed, it tries to add a station to the driver a second time +(which fails) and then tears down the station entry until another event +comes in. +Fix this by only adding a station to the driver if it didn't exist already. + +Signed-off-by: Felix Fietkau <nbd@nbd.name> +--- + +--- a/wpa_supplicant/mesh_mpm.c ++++ b/wpa_supplicant/mesh_mpm.c +@@ -663,11 +663,12 @@ static struct sta_info * mesh_mpm_add_pe + } + + sta = ap_get_sta(data, addr); +- if (!sta) { +- sta = ap_sta_add(data, addr); +- if (!sta) +- return NULL; +- } ++ if (sta) ++ return sta; ++ ++ sta = ap_sta_add(data, addr); ++ if (!sta) ++ return NULL; + + /* Set WMM by default since Mesh STAs are QoS STAs */ + sta->flags |= WLAN_STA_WMM; |