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authorIan Moffett <ian@osmora.org>2025-08-08 22:42:56 -0400
committerIan Moffett <ian@osmora.org>2025-08-08 22:42:56 -0400
commit55d02c0550b4111624c98d68ef53f0a33803cb2d (patch)
treef1707ab1fea13bc9a1b021cf0f090a21a9684458
parent38c85464a7afce2f159debccc644b3f3f3af61d4 (diff)
kernel: xhci: Fix off-by-one bug
The DCBAA has indexing that starts at zero so 1 must be added to make it correct. Signed-off-by: Ian Moffett <ian@osmora.org>
-rw-r--r--sys/dev/usb/xhci.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/dev/usb/xhci.c b/sys/dev/usb/xhci.c
index 0ccb7a0..f18e1a9 100644
--- a/sys/dev/usb/xhci.c
+++ b/sys/dev/usb/xhci.c
@@ -221,7 +221,7 @@ xhci_alloc_dcbaa(struct xhci_hc *hc)
{
size_t size;
- size = sizeof(uintptr_t) * hc->maxslots;
+ size = sizeof(uintptr_t) * (hc->maxslots + 1);
hc->dcbaap = dynalloc_memalign(size, 0x1000);
__assert(hc->dcbaap != NULL);
return VIRT_TO_PHYS(hc->dcbaap);