hw/9pfs: Move opt validation to FsDriver callback

This remove all conditional code from common code path and
make opt validation a FSDriver callback.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>

1 files changed, 2 insertions, 6 deletions

diff --git a/vl.c b/vl.c
index d925424..47a8b09 100644
--- a/vl.c
+++ b/vl.c
@@ -2675,11 +2675,8 @@ int main(int argc, char **argv, char **envp)
                 }
 
                 if (qemu_opt_get(opts, "fsdriver") == NULL ||
-                        qemu_opt_get(opts, "mount_tag") == NULL ||
-                        qemu_opt_get(opts, "path") == NULL) {
-                    fprintf(stderr, "Usage: -virtfs fsdriver,path=/share_path/,"
-                            "[security_model={mapped|passthrough|none}],"
-                            "mount_tag=tag.\n");
+                    qemu_opt_get(opts, "mount_tag") == NULL) {
+                    fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
                     exit(1);
                 }
                 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
@@ -2725,7 +2722,6 @@ int main(int argc, char **argv, char **envp)
                     exit(1);
                 }
                 qemu_opt_set(fsdev, "fsdriver", "synth");
-                qemu_opt_set(fsdev, "path", "/"); /* ignored */
 
                 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
                 qemu_opt_set(device, "driver", "virtio-9p-pci");