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-rw-r--r--qemu-options.hx2
-rw-r--r--vl.c5
2 files changed, 4 insertions, 3 deletions
diff --git a/qemu-options.hx b/qemu-options.hx
index a24fef2107..a5b0589cb7 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -876,7 +876,7 @@ ETEXI
 
 DEF("virtfs", HAS_ARG, QEMU_OPTION_virtfs,
     "-virtfs local,path=path,mount_tag=tag,security_model=[mapped-xattr|mapped-file|passthrough|none]\n"
-    "        [,writeout=immediate][,readonly][,socket=socket|sock_fd=sock_fd]\n",
+    "        [,id=id][,writeout=immediate][,readonly][,socket=socket|sock_fd=sock_fd]\n",
     QEMU_ARCH_ALL)
 
 STEXI
diff --git a/vl.c b/vl.c
index 42d4bce439..10f3afd860 100644
--- a/vl.c
+++ b/vl.c
@@ -3524,10 +3524,11 @@ int main(int argc, char **argv, char **envp)
                     exit(1);
                 }
                 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
+                                         qemu_opts_id(opts) ?:
                                          qemu_opt_get(opts, "mount_tag"),
                                          1, NULL);
                 if (!fsdev) {
-                    error_report("duplicate fsdev id: %s",
+                    error_report("duplicate or invalid fsdev id: %s",
                                  qemu_opt_get(opts, "mount_tag"));
                     exit(1);
                 }
@@ -3565,7 +3566,7 @@ int main(int argc, char **argv, char **envp)
                                           &error_abort);
                 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
                 qemu_opt_set(device, "fsdev",
-                             qemu_opt_get(opts, "mount_tag"), &error_abort);
+                             qemu_opts_id(fsdev), &error_abort);
                 qemu_opt_set(device, "mount_tag",
                              qemu_opt_get(opts, "mount_tag"), &error_abort);
                 break;