usb_free_coherent() is safe with NULL usb_pcwd->intr_buffer and
this check is not required.
Signed-off-by: Xu Wang <vulab@xxxxxxxxxxx>
---
drivers/watchdog/pcwd_usb.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/watchdog/pcwd_usb.c b/drivers/watchdog/pcwd_usb.c
index 2f44af1831d0..6726301ac02e 100644
--- a/drivers/watchdog/pcwd_usb.c
+++ b/drivers/watchdog/pcwd_usb.c
@@ -585,9 +585,8 @@ static struct notifier_block usb_pcwd_notifier = {
static inline void usb_pcwd_delete(struct usb_pcwd_private *usb_pcwd)
{
usb_free_urb(usb_pcwd->intr_urb);
- if (usb_pcwd->intr_buffer != NULL)
- usb_free_coherent(usb_pcwd->udev, usb_pcwd->intr_size,
- usb_pcwd->intr_buffer, usb_pcwd->intr_dma);
+ usb_free_coherent(usb_pcwd->udev, usb_pcwd->intr_size,
+ usb_pcwd->intr_buffer, usb_pcwd->intr_dma);
kfree(usb_pcwd);
}
--
2.17.1
