From 4f3ebd6fb6806a948df9eb1dc7ea9bb76e2712ec Mon Sep 17 00:00:00 2001
From: Xu Wang <vulab@iscas.ac.cn>
Date: Tue, 30 Jun 2020 07:04:04 +0000
Subject: [PATCH] zd1211rw: remove needless check before usb_free_coherent()
Git-commit: 4f3ebd6fb6806a948df9eb1dc7ea9bb76e2712ec
Patch-mainline: v5.9-rc1
References: jsc#SLE-13430, bsc#1176741
usb_free_coherent() is safe with NULL addr and this check is
not required.
Signed-off-by: Xu Wang <vulab@iscas.ac.cn>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200630070404.8207-1-vulab@iscas.ac.cn
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/net/wireless/zydas/zd1211rw/zd_usb.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/net/wireless/zydas/zd1211rw/zd_usb.c b/drivers/net/wireless/zydas/zd1211rw/zd_usb.c
index 8ff0374126e4..65b5985ad402 100644
--- a/drivers/net/wireless/zydas/zd1211rw/zd_usb.c
+++ b/drivers/net/wireless/zydas/zd1211rw/zd_usb.c
@@ -600,9 +600,7 @@ void zd_usb_disable_int(struct zd_usb *usb)
dev_dbg_f(zd_usb_dev(usb), "urb %p killed\n", urb);
usb_free_urb(urb);
- if (buffer)
- usb_free_coherent(udev, USB_MAX_EP_INT_BUFFER,
- buffer, buffer_dma);
+ usb_free_coherent(udev, USB_MAX_EP_INT_BUFFER, buffer, buffer_dma);
}
static void handle_rx_packet(struct zd_usb *usb, const u8 *buffer,
--
2.16.4