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authorXu Wang <vulab@iscas.ac.cn>2020-07-20 08:24:56 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-07-21 14:41:58 +0300
commitd8a849353c9c7710faa260a1fd11918d1f533e86 (patch)
treef083659946306ec99b0122790d2eee33d9404e22 /drivers/usb/misc/appledisplay.c
parentffeb1e9e897b8d36b197275592d121c96d3bdb95 (diff)
downloadlinux-d8a849353c9c7710faa260a1fd11918d1f533e86.tar.xz
usb: appledisplay: 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/20200720052456.7610-1-vulab@iscas.ac.cn Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/misc/appledisplay.c')
-rw-r--r--drivers/usb/misc/appledisplay.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c
index 91cfd917f6df..36fed1a09666 100644
--- a/drivers/usb/misc/appledisplay.c
+++ b/drivers/usb/misc/appledisplay.c
@@ -305,8 +305,7 @@ error:
if (pdata->urb) {
usb_kill_urb(pdata->urb);
cancel_delayed_work_sync(&pdata->work);
- if (pdata->urbdata)
- usb_free_coherent(pdata->udev, ACD_URB_BUFFER_LEN,
+ usb_free_coherent(pdata->udev, ACD_URB_BUFFER_LEN,
pdata->urbdata, pdata->urb->transfer_dma);
usb_free_urb(pdata->urb);
}