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[V4,2/8] hw/block/nvme: fix namespaces array to 1-based

Message ID 20210302132617.18495-3-minwoo.im.dev@gmail.com (mailing list archive)
State New, archived
Headers show
Series hw/block/nvme: support namespace attachment | expand

Commit Message

Minwoo Im March 2, 2021, 1:26 p.m. UTC 
subsys->namespaces array used to be sized to NVME_SUBSYS_MAX_NAMESPACES.
But subsys->namespaces are being accessed with 1-based namespace id
which means the very first array entry will always be empty(NULL).

Signed-off-by: Minwoo Im <minwoo.im.dev@gmail.com>
Tested-by: Klaus Jensen <k.jensen@samsung.com>
Reviewed-by: Klaus Jensen <k.jensen@samsung.com>
---
 hw/block/nvme-subsys.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/hw/block/nvme-subsys.h b/hw/block/nvme-subsys.h
index 890d118117dc..574774390c4c 100644
--- a/hw/block/nvme-subsys.h
+++ b/hw/block/nvme-subsys.h
@@ -24,7 +24,7 @@  typedef struct NvmeSubsystem {
 
     NvmeCtrl    *ctrls[NVME_SUBSYS_MAX_CTRLS];
     /* Allocated namespaces for this subsystem */
-    NvmeNamespace *namespaces[NVME_SUBSYS_MAX_NAMESPACES];
+    NvmeNamespace *namespaces[NVME_SUBSYS_MAX_NAMESPACES + 1];
 } NvmeSubsystem;
 
 int nvme_subsys_register_ctrl(NvmeCtrl *n, Error **errp);