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path: root/drivers/staging/wfx/data_tx.c
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-rw-r--r--drivers/staging/wfx/data_tx.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/staging/wfx/data_tx.c b/drivers/staging/wfx/data_tx.c
index 8db0be08daf8..41f6a604a697 100644
--- a/drivers/staging/wfx/data_tx.c
+++ b/drivers/staging/wfx/data_tx.c
@@ -31,6 +31,10 @@ static int wfx_get_hw_rate(struct wfx_dev *wdev,
}
return rate->idx + 14;
}
+ if (rate->idx >= band->n_bitrates) {
+ WARN(1, "wrong rate->idx value: %d", rate->idx);
+ return -1;
+ }
// WFx only support 2GHz, else band information should be retrieved
// from ieee80211_tx_info
band = wdev->hw->wiphy->bands[NL80211_BAND_2GHZ];