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-rw-r--r--net/wireless/nl80211.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index d36c40a4d832..499785778983 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -5353,6 +5353,18 @@ static int nl80211_check_s32(const struct nlattr *nla, s32 min, s32 max, s32 *ou
 	return 0;
 }
 
+static int nl80211_check_power_mode(const struct nlattr *nla,
+				    enum nl80211_mesh_power_mode min,
+				    enum nl80211_mesh_power_mode max,
+				    enum nl80211_mesh_power_mode *out)
+{
+	u32 val = nla_get_u32(nla);
+	if (val < min || val > max)
+		return -EINVAL;
+	*out = val;
+	return 0;
+}
+
 static int nl80211_parse_mesh_config(struct genl_info *info,
 				     struct mesh_config *cfg,
 				     u32 *mask_out)
@@ -5497,7 +5509,7 @@ do {									    \
 				  NL80211_MESH_POWER_ACTIVE,
 				  NL80211_MESH_POWER_MAX,
 				  mask, NL80211_MESHCONF_POWER_MODE,
-				  nl80211_check_u32);
+				  nl80211_check_power_mode);
 	FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration,
 				  0, 65535, mask,
 				  NL80211_MESHCONF_AWAKE_WINDOW, nl80211_check_u16);