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[PATCH] hcd-xhci: drop operation with secondary stream arrays enabled
From: |
Qiang Liu |
Subject: |
[PATCH] hcd-xhci: drop operation with secondary stream arrays enabled |
Date: |
Sun, 4 Sep 2022 20:59:26 +0800 |
The abort() in xhci_find_stream() can be triggered via enabling the secondary
stream arrays by setting linear stream array (LSA) bit (in endpoint context) to
0. We may show warnings and drop this operation.
Fixes: 024426acc0a2 ("usb-xhci: usb3 streams")
Reported-by: Qiang Liu <cyruscyliu@gmail.com>
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1192
Signed-off-by: Qiang Liu <cyruscyliu@gmail.com>
---
hw/usb/hcd-xhci.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c
index 3c48b58dde..654f7ec24a 100644
--- a/hw/usb/hcd-xhci.c
+++ b/hw/usb/hcd-xhci.c
@@ -992,7 +992,9 @@ static XHCIStreamContext *xhci_find_stream(XHCIEPContext
*epctx,
}
sctx = epctx->pstreams + streamid;
} else {
- FIXME("secondary streams not implemented yet");
+ fprintf(stderr, "xhci: FIXME: secondary streams not implemented yet");
+ *cc_error = CC_INVALID_STREAM_TYPE_ERROR;
+ return NULL;
}
if (sctx->sct == -1) {
--
2.25.1
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