From: Xu Wang Date: Tue, 30 Jun 2020 07:04:04 +0000 (+0000) Subject: zd1211rw: remove needless check before usb_free_coherent() X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=4f3ebd6fb6806a948df9eb1dc7ea9bb76e2712ec;p=linux.git zd1211rw: remove needless check before usb_free_coherent() usb_free_coherent() is safe with NULL addr and this check is not required. Signed-off-by: Xu Wang Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/20200630070404.8207-1-vulab@iscas.ac.cn --- diff --git a/drivers/net/wireless/zydas/zd1211rw/zd_usb.c b/drivers/net/wireless/zydas/zd1211rw/zd_usb.c index 8ff0374126e4f..65b5985ad402d 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,