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[6/9] qtnfmac: fix firmware command error path

Message ID 20180529120005.21498-7-sergey.matyukevich.os@quantenna.com (mailing list archive)
State Accepted
Commit b60769e2dff0b168dfe3f03fe0d1950963c3c3da
Delegated to: Kalle Valo
Headers show

Commit Message

Sergey Matyukevich May 29, 2018, noon UTC
From: Dmitry Lebed <dlebed@quantenna.com>

Free command skb if bus state is not QTNF_FW_STATE_ACTIVE.

Signed-off-by: Dmitry Lebed <dlebed@quantenna.com>
---
 drivers/net/wireless/quantenna/qtnfmac/commands.c | 1 +
 drivers/net/wireless/quantenna/qtnfmac/trans.c    | 4 +++-
 2 files changed, 4 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/net/wireless/quantenna/qtnfmac/commands.c b/drivers/net/wireless/quantenna/qtnfmac/commands.c
index 9dc4560be5d8..e2fc57be1cdd 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/commands.c
+++ b/drivers/net/wireless/quantenna/qtnfmac/commands.c
@@ -102,6 +102,7 @@  static int qtnf_cmd_send_with_reply(struct qtnf_bus *bus,
 		pr_warn("VIF%u.%u: drop cmd 0x%.4X in fw state %d\n",
 			mac_id, vif_id, le16_to_cpu(cmd->cmd_id),
 			bus->fw_state);
+		dev_kfree_skb(cmd_skb);
 		return -ENODEV;
 	}
 
diff --git a/drivers/net/wireless/quantenna/qtnfmac/trans.c b/drivers/net/wireless/quantenna/qtnfmac/trans.c
index ccddfebc508a..345f34ec9750 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/trans.c
+++ b/drivers/net/wireless/quantenna/qtnfmac/trans.c
@@ -35,8 +35,10 @@  int qtnf_trans_send_cmd_with_resp(struct qtnf_bus *bus, struct sk_buff *cmd_skb,
 	bool resp_not_handled = true;
 	struct sk_buff *resp_skb = NULL;
 
-	if (unlikely(!response_skb))
+	if (unlikely(!response_skb)) {
+		dev_kfree_skb(cmd_skb);
 		return -EFAULT;
+	}
 
 	spin_lock(&ctl_node->resp_lock);
 	ctl_node->seq_num++;