diff options
| author | Xu Wang <vulab@iscas.ac.cn> | 2020-08-10 02:08:02 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-08-18 12:12:58 +0200 |
| commit | 4d671957d45346decb1a9d488921cf90c19e0d0f (patch) | |
| tree | 962542536df19cb3d63de24c0a6c0a70b1eebdfa /drivers | |
| parent | 1100395dc47cb78cab519f33a6a28cd3f1773ea4 (diff) | |
USB: yurex: 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 <vulab@iscas.ac.cn>
Link: https://lore.kernel.org/r/20200810020802.9082-1-vulab@iscas.ac.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/misc/yurex.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/usb/misc/yurex.c b/drivers/usb/misc/yurex.c index 6e7d34e7fec4..2063ef071393 100644 --- a/drivers/usb/misc/yurex.c +++ b/drivers/usb/misc/yurex.c @@ -96,15 +96,13 @@ static void yurex_delete(struct kref *kref) if (dev->cntl_urb) { usb_kill_urb(dev->cntl_urb); kfree(dev->cntl_req); - if (dev->cntl_buffer) - usb_free_coherent(dev->udev, YUREX_BUF_SIZE, + usb_free_coherent(dev->udev, YUREX_BUF_SIZE, dev->cntl_buffer, dev->cntl_urb->transfer_dma); usb_free_urb(dev->cntl_urb); } if (dev->urb) { usb_kill_urb(dev->urb); - if (dev->int_buffer) - usb_free_coherent(dev->udev, YUREX_BUF_SIZE, + usb_free_coherent(dev->udev, YUREX_BUF_SIZE, dev->int_buffer, dev->urb->transfer_dma); usb_free_urb(dev->urb); } |