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-rw-r--r--net/wireless/util.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/wireless/util.c b/net/wireless/util.c
index a329429bfdd..be75a3a0424 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -1013,6 +1013,9 @@ int ieee80211_get_ratemask(struct ieee80211_supported_band *sband,
{
int i, j;
+ if (!sband)
+ return -EINVAL;
+
if (n_rates == 0 || n_rates > NL80211_MAX_SUPP_RATES)
return -EINVAL;