android/android_kernel_samsung_sm8650
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge "sound: usb: xhci-sec: Prevent Null pointer deference in xhci-sec"

Browse Source
This commit is contained in:
qctecmdr 2024-05-28 22:05:50 -07:00 committed by Gerrit - the friendly Code Review server
commit e22474caf4
1 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
sound/usb/xhci-sec.c
View File

@ -4,7 +4,7 @@
*
* Copyright (c) 2019,2021 The Linux Foundation. All rights reserved.
* Copyright (C) 2008 Intel Corp.
* Copyright (c) 2022, Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2022, 2024 Qualcomm Innovation Center, Inc. All rights reserved.
*/
#include <linux/iopoll.h>
@ -237,17 +237,20 @@ int xhci_sec_event_ring_cleanup(struct usb_device *udev, struct xhci_ring *ring)
struct usb_hcd *hcd = bus_to_hcd(udev->bus);
struct xhci_hcd *xhci = hcd_to_xhci(hcd);
struct xhci_sec *sec;
unsigned long flags;
spin_lock_irqsave(&xhci->lock, flags);
list_for_each_entry(sec, &xhci_sec, list) {
if (sec->event_ring == ring) {
sec_event_ring_cleanup(xhci, ring, sec->ir_set,
&sec->erst);
list_del(&sec->list);
kfree(sec);
spin_unlock_irqrestore(&xhci->lock, flags);
return 0;
}
}
spin_unlock_irqrestore(&xhci->lock, flags);
return 0;
}