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authorRichard Henderson <richard.henderson@linaro.org>2021-11-19 11:01:46 +0100
committerRichard Henderson <richard.henderson@linaro.org>2021-11-19 11:01:46 +0100
commit9c25e1db18d872cbab3f028f93db37931dbc6ae2 (patch)
treeade57d02097d43ea1f5a1082fe6b2a9ebb91712a /hw/nvme/subsys.c
parent3760a04c352f8d255b247211f6da07ac99f1630a (diff)
parente2c57529c9306e4c9aac75d9879f6e7699584a22 (diff)
downloadfocaccia-qemu-9c25e1db18d872cbab3f028f93db37931dbc6ae2.tar.gz
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Merge tag 'nvme-fixes-for-6.2-pull-request' of git://git.infradead.org/qemu-nvme into staging
hw/nvme fixes

* Fix CVE-2021-3947
* Controller hotplugging fixes

# gpg: Signature made Fri 19 Nov 2021 08:59:03 AM CET
# gpg:                using RSA key 522833AA75E2DCE6A24766C04DE1AF316D4F0DE9
# gpg: Good signature from "Klaus Jensen <its@irrelevant.dk>" [unknown]
# gpg:                 aka "Klaus Jensen <k.jensen@samsung.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: DDCA 4D9C 9EF9 31CC 3468  4272 63D5 6FC5 E55D A838
#      Subkey fingerprint: 5228 33AA 75E2 DCE6 A247  66C0 4DE1 AF31 6D4F 0DE9

* tag 'nvme-fixes-for-6.2-pull-request' of git://git.infradead.org/qemu-nvme:
  hw/nvme: fix buffer overrun in nvme_changed_nslist (CVE-2021-3947)
  hw/nvme: change nvme-ns 'shared' default
  hw/nvme: reattach subsystem namespaces on hotplug

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'hw/nvme/subsys.c')
-rw-r--r--hw/nvme/subsys.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/hw/nvme/subsys.c b/hw/nvme/subsys.c
index 495dcff5eb..fb58d63950 100644
--- a/hw/nvme/subsys.c
+++ b/hw/nvme/subsys.c
@@ -14,7 +14,7 @@
 int nvme_subsys_register_ctrl(NvmeCtrl *n, Error **errp)
 {
     NvmeSubsystem *subsys = n->subsys;
-    int cntlid;
+    int cntlid, nsid;
 
     for (cntlid = 0; cntlid < ARRAY_SIZE(subsys->ctrls); cntlid++) {
         if (!subsys->ctrls[cntlid]) {
@@ -29,12 +29,20 @@ int nvme_subsys_register_ctrl(NvmeCtrl *n, Error **errp)
 
     subsys->ctrls[cntlid] = n;
 
+    for (nsid = 1; nsid < ARRAY_SIZE(subsys->namespaces); nsid++) {
+        NvmeNamespace *ns = subsys->namespaces[nsid];
+        if (ns && ns->params.shared && !ns->params.detached) {
+            nvme_attach_ns(n, ns);
+        }
+    }
+
     return cntlid;
 }
 
 void nvme_subsys_unregister_ctrl(NvmeSubsystem *subsys, NvmeCtrl *n)
 {
     subsys->ctrls[n->cntlid] = NULL;
+    n->cntlid = -1;
 }
 
 static void nvme_subsys_setup(NvmeSubsystem *subsys)