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authorIan Moffett <ian@osmora.org>2025-01-08 21:58:29 -0500
committerIan Moffett <ian@osmora.org>2025-01-08 21:58:29 -0500
commita5da98ef1f85a78d935a8ba048487eb650b7eb07 (patch)
tree79d2064e9b01a7217c3d8b0a603fc8c201081535 /sys/dev/usb/xhci.c
parent01a78bd46be97927310ed91a2865dbc25facf77d (diff)
kernel: xhci: Ensure command ring is zeroed
Signed-off-by: Ian Moffett <ian@osmora.org>
Diffstat (limited to 'sys/dev/usb/xhci.c')
-rw-r--r--sys/dev/usb/xhci.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/dev/usb/xhci.c b/sys/dev/usb/xhci.c
index 0f386cb..ad99f72 100644
--- a/sys/dev/usb/xhci.c
+++ b/sys/dev/usb/xhci.c
@@ -277,6 +277,8 @@ xhci_alloc_cmdring(struct xhci_hc *hc)
size = XHCI_TRB_SIZE * XHCI_CMDRING_LEN;
hc->cmdring = dynalloc_memalign(size, 0x1000);
+
+ memset(hc->cmdring, 0, size);
__assert(hc->cmdring != NULL);
return VIRT_TO_PHYS(hc->cmdring);
}