linux-kernel - [PATCH 5/9] staging: rtl8192e: Remove undefined function hard_start

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Date:   Sat, 13 May 2023 20:09:09 +0200
From:   Philipp Hortmann <philipp.g.hortmann@...il.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: [PATCH 5/9] staging: rtl8192e: Remove undefined function
 hard_start_xmit

Remove function hard_start_xmit as it is not defined. Equation
!ieee->hard_start_xmit always evaluates to true. When
(*ieee->hard_start_xmit)(txb, dev) == 0 is called the my computer is
freezing.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@...il.com>
---
 drivers/staging/rtl8192e/rtllib.h    | 7 -------
 drivers/staging/rtl8192e/rtllib_tx.c | 8 +-------
 2 files changed, 1 insertion(+), 14 deletions(-)

diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index cc4247ebea6b..7be02cfe56fe 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -1654,13 +1654,6 @@ struct rtllib_device {
 	void (*set_security)(struct net_device *dev,
 			     struct rtllib_security *sec);
 
-	/* Used to TX data frame by using txb structs.
-	 * this is not used if in the softmac_features
-	 * is set the flag IEEE_SOFTMAC_TX_QUEUE
-	 */
-	int (*hard_start_xmit)(struct rtllib_txb *txb,
-			       struct net_device *dev);
-
 	/* Softmac-generated frames (management) are TXed via this
 	 * callback if the flag IEEE_SOFTMAC_SINGLE_QUEUE is
 	 * not set. As some cards may have different HW queues that
diff --git a/drivers/staging/rtl8192e/rtllib_tx.c b/drivers/staging/rtl8192e/rtllib_tx.c
index 54119fba8a57..c3f1910d9f58 100644
--- a/drivers/staging/rtl8192e/rtllib_tx.c
+++ b/drivers/staging/rtl8192e/rtllib_tx.c
@@ -572,8 +572,7 @@ static int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev)
 	/* If there is no driver handler to take the TXB, don't bother
 	 * creating it...
 	 */
-	if ((!ieee->hard_start_xmit && !(ieee->softmac_features &
-	   IEEE_SOFTMAC_TX_QUEUE)) ||
+	if (!(ieee->softmac_features & IEEE_SOFTMAC_TX_QUEUE) ||
 	   ((!ieee->softmac_data_hard_start_xmit &&
 	   (ieee->softmac_features & IEEE_SOFTMAC_TX_QUEUE)))) {
 		netdev_warn(ieee->dev, "No xmit handler.\n");
@@ -938,11 +937,6 @@ static int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev)
 			dev->stats.tx_bytes += le16_to_cpu(txb->payload_size);
 			rtllib_softmac_xmit(txb, ieee);
 		} else {
-			if ((*ieee->hard_start_xmit)(txb, dev) == 0) {
-				stats->tx_packets++;
-				stats->tx_bytes += le16_to_cpu(txb->payload_size);
-				return 0;
-			}
 			rtllib_txb_free(txb);
 		}
 	}
-- 
2.40.1