[openwrt/openwrt] hostapd: only attempt to set qos map if supported by the driver

[LEDE Commits]

nbd pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/5e67cd63c4ff5d8f36c341dfa3355e3a4ac2be81

commit 5e67cd63c4ff5d8f36c341dfa3355e3a4ac2be81
Author: Felix Fietkau <nbd at nbd.name>
AuthorDate: Thu Dec 23 19:18:33 2021 +0100

    hostapd: only attempt to set qos map if supported by the driver
    
    Fixes issues with brcmfmac
    
    Signed-off-by: Felix Fietkau <nbd at nbd.name>
---
 .../patches/751-qos_map_ignore_when_unsupported.patch        | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/package/network/services/hostapd/patches/751-qos_map_ignore_when_unsupported.patch b/package/network/services/hostapd/patches/751-qos_map_ignore_when_unsupported.patch
new file mode 100644
index 0000000000..8af5a0a046
--- /dev/null
+++ b/package/network/services/hostapd/patches/751-qos_map_ignore_when_unsupported.patch
@@ -0,0 +1,12 @@
+--- a/src/ap/ap_drv_ops.c
++++ b/src/ap/ap_drv_ops.c
+@@ -850,7 +850,8 @@ int hostapd_start_dfs_cac(struct hostapd
+ int hostapd_drv_set_qos_map(struct hostapd_data *hapd,
+ 			    const u8 *qos_map_set, u8 qos_map_set_len)
+ {
+-	if (!hapd->driver || !hapd->driver->set_qos_map || !hapd->drv_priv)
++	if (!hapd->driver || !hapd->driver->set_qos_map || !hapd->drv_priv ||
++	    !(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_QOS_MAPPING))
+ 		return 0;
+ 	return hapd->driver->set_qos_map(hapd->drv_priv, qos_map_set,
+ 					 qos_map_set_len);