Messages in this thread Patch in this message | | | From | Chen Ni <> | Subject | [PATCH] net: zydas: remove needless check before usb_free_coherent() | Date | Tue, 30 Jun 2020 07:04:04 +0000 |
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From: Xu Wang <vulab@iscas.ac.cn>
usb_free_coherent() is safe with NULL addr and this check is not required.
Signed-off-by: Xu Wang <vulab@iscas.ac.cn> --- 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, -- 2.17.1
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