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[PATCH] hw/nvme: fix invalid endian conversion


From: Klaus Jensen
Subject: [PATCH] hw/nvme: fix invalid endian conversion
Date: Thu, 22 Feb 2024 10:29:06 +0100

From: Klaus Jensen <k.jensen@samsung.com>

numcntl is one byte and so is max_vfs. Using cpu_to_le16 on big endian
hosts results in numcntl being set to 0.

Fix by dropping the endian conversion.

Fixes: 746d42b13368 ("hw/nvme: Initialize capability structures for 
primary/secondary controllers")
Reported-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
---
 hw/nvme/ctrl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c
index f026245d1e9e..76fe0397045b 100644
--- a/hw/nvme/ctrl.c
+++ b/hw/nvme/ctrl.c
@@ -7924,7 +7924,7 @@ static void nvme_init_state(NvmeCtrl *n)
     n->aer_reqs = g_new0(NvmeRequest *, n->params.aerl + 1);
     QTAILQ_INIT(&n->aer_queue);
 
-    list->numcntl = cpu_to_le16(max_vfs);
+    list->numcntl = max_vfs;
     for (i = 0; i < max_vfs; i++) {
         sctrl = &list->sec[i];
         sctrl->pcid = cpu_to_le16(n->cntlid);

---
base-commit: 760b4dcdddba4a40b9fa0eb78fdfc7eda7cb83d0
change-id: 20240222-fix-sriov-numcntl-5ebe46a42176

Best regards,
-- 
Klaus Jensen <k.jensen@samsung.com>




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