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authorTony Lindgren <tony@atomide.com>2018-08-28 09:58:03 -0700
committerTony Lindgren <tony@atomide.com>2018-08-28 09:58:03 -0700
commitea4d65f14f6aaa53e379b93c5544245ef081b3e7 (patch)
treea15485f4f1cf547a52b31fa8e16e14b9579b7200 /net/wireless/core.c
parentarm: dts: am4372: setup rtc as system-power-controller (diff)
parentARM: dts: Fix file permission for am335x-osd3358-sm-red.dts (diff)
downloadwireguard-linux-ea4d65f14f6aaa53e379b93c5544245ef081b3e7.tar.xz
wireguard-linux-ea4d65f14f6aaa53e379b93c5544245ef081b3e7.zip
Merge branch 'perm-fix' into omap-for-v4.19/fixes-v2
Diffstat (limited to '')
-rw-r--r--net/wireless/core.c21
1 files changed, 20 insertions, 1 deletions
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 48e8097339ab..a88551f3bc43 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -3,7 +3,7 @@
*
* Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
- * Copyright 2015 Intel Deutschland GmbH
+ * Copyright 2015-2017 Intel Deutschland GmbH
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -744,6 +744,8 @@ int wiphy_register(struct wiphy *wiphy)
/* sanity check supported bands/channels */
for (band = 0; band < NUM_NL80211_BANDS; band++) {
+ u16 types = 0;
+
sband = wiphy->bands[band];
if (!sband)
continue;
@@ -788,6 +790,23 @@ int wiphy_register(struct wiphy *wiphy)
sband->channels[i].band = band;
}
+ for (i = 0; i < sband->n_iftype_data; i++) {
+ const struct ieee80211_sband_iftype_data *iftd;
+
+ iftd = &sband->iftype_data[i];
+
+ if (WARN_ON(!iftd->types_mask))
+ return -EINVAL;
+ if (WARN_ON(types & iftd->types_mask))
+ return -EINVAL;
+
+ /* at least one piece of information must be present */
+ if (WARN_ON(!iftd->he_cap.has_he))
+ return -EINVAL;
+
+ types |= iftd->types_mask;
+ }
+
have_band = true;
}