diff -u -r a/src/wl/sys/wl_cfg80211_hybrid.c b/src/wl/sys/wl_cfg80211_hybrid.c
--- a/src/wl/sys/wl_cfg80211_hybrid.c	2015-09-18 22:47:30.000000000 +0000
+++ b/src/wl/sys/wl_cfg80211_hybrid.c	2020-10-12 21:20:05.200372484 +0000
@@ -450,7 +450,7 @@
 	ifr.ifr_data = (caddr_t)&ioc;
 
 	fs = get_fs();
-	set_fs(get_ds());
+	set_fs(KERNEL_DS);
 #if defined(WL_USE_NETDEV_OPS)
 	err = dev->netdev_ops->ndo_do_ioctl(dev, &ifr, SIOCDEVPRIVATE);
 #else
diff -u -r a/src/wl/sys/wl_iw.c b/src/wl/sys/wl_iw.c
--- a/src/wl/sys/wl_iw.c	2015-09-18 22:47:30.000000000 +0000
+++ b/src/wl/sys/wl_iw.c	2020-10-12 21:19:51.426836804 +0000
@@ -117,7 +117,7 @@
 	ifr.ifr_data = (caddr_t) &ioc;
 
 	fs = get_fs();
-	set_fs(get_ds());
+	set_fs(KERNEL_DS);
 #if defined(WL_USE_NETDEV_OPS)
 	ret = dev->netdev_ops->ndo_do_ioctl(dev, &ifr, SIOCDEVPRIVATE);
 #else
diff -u -r a/src/wl/sys/wl_linux.c b/src/wl/sys/wl_linux.c
--- a/src/wl/sys/wl_linux.c	2020-10-12 21:19:15.256305165 +0000
+++ b/src/wl/sys/wl_linux.c	2020-10-12 21:20:38.687530895 +0000
@@ -1643,7 +1643,7 @@
 		goto done2;
 	}
 
-	if (segment_eq(get_fs(), KERNEL_DS))
+	if (get_fs().seg == KERNEL_DS.seg)
 		buf = ioc.buf;
 
 	else if (ioc.buf) {