From: Yunjian Wang <wangyunjian@xxxxxxxxxx>
The skb may be NULL in rsi_core_xmit(). Add a check to avoid
dereferencing null pointer.
Addresses-Coverity: ("Dereference after null check")
Fixes: dad0d04fa7ba ("rsi: Add RS9113 wireless driver")
Signed-off-by: Yunjian Wang <wangyunjian@xxxxxxxxxx>
---
drivers/net/wireless/rsi/rsi_91x_core.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/rsi/rsi_91x_core.c b/drivers/net/wireless/rsi/rsi_91x_core.c
index a48e616e0fb9..436e7b30d159 100644
--- a/drivers/net/wireless/rsi/rsi_91x_core.c
+++ b/drivers/net/wireless/rsi/rsi_91x_core.c
@@ -492,5 +492,6 @@ void rsi_core_xmit(struct rsi_common *common, struct sk_buff *skb)
xmit_fail:
rsi_dbg(ERR_ZONE, "%s: Failed to queue packet\n", __func__);
/* Dropping pkt here */
- ieee80211_free_txskb(common->priv->hw, skb);
+ if (skb)
+ ieee80211_free_txskb(common->priv->hw, skb);
}
--
2.19.1
