Patch "wifi: rtw88: Remove duplicate NULL check before calling usb_kill/free_urb()" has been added to the 6.6-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

    wifi: rtw88: Remove duplicate NULL check before calling usb_kill/free_urb()

to the 6.6-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     wifi-rtw88-remove-duplicate-null-check-before-callin.patch
and it can be found in the queue-6.6 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 3b32db4dc298f3fd841134e449cad451e75516a1
Author: Jinjie Ruan <ruanjinjie@xxxxxxxxxx>
Date:   Sun Oct 8 10:58:52 2023 +0800

    wifi: rtw88: Remove duplicate NULL check before calling usb_kill/free_urb()
    
    [ Upstream commit de8dd096949820ce5656d41ce409a67603e79327 ]
    
    Both usb_kill_urb() and usb_free_urb() do the NULL check itself, so there
    is no need to duplicate it prior to calling.
    
    Fixes: a82dfd33d123 ("wifi: rtw88: Add common USB chip support")
    Signed-off-by: Jinjie Ruan <ruanjinjie@xxxxxxxxxx>
    Acked-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
    Acked-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx>
    Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxx>
    Link: https://lore.kernel.org/r/20231008025852.1239450-1-ruanjinjie@xxxxxxxxxx
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/net/wireless/realtek/rtw88/usb.c b/drivers/net/wireless/realtek/rtw88/usb.c
index d879d7e3dc81f..e6ab1ac6d7093 100644
--- a/drivers/net/wireless/realtek/rtw88/usb.c
+++ b/drivers/net/wireless/realtek/rtw88/usb.c
@@ -611,8 +611,7 @@ static void rtw_usb_cancel_rx_bufs(struct rtw_usb *rtwusb)
 
 	for (i = 0; i < RTW_USB_RXCB_NUM; i++) {
 		rxcb = &rtwusb->rx_cb[i];
-		if (rxcb->rx_urb)
-			usb_kill_urb(rxcb->rx_urb);
+		usb_kill_urb(rxcb->rx_urb);
 	}
 }
 
@@ -623,10 +622,8 @@ static void rtw_usb_free_rx_bufs(struct rtw_usb *rtwusb)
 
 	for (i = 0; i < RTW_USB_RXCB_NUM; i++) {
 		rxcb = &rtwusb->rx_cb[i];
-		if (rxcb->rx_urb) {
-			usb_kill_urb(rxcb->rx_urb);
-			usb_free_urb(rxcb->rx_urb);
-		}
+		usb_kill_urb(rxcb->rx_urb);
+		usb_free_urb(rxcb->rx_urb);
 	}
 }