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| author | Anthony Liguori <aliguori@us.ibm.com> | 2012-08-03 13:50:41 -0500 |
|---|---|---|
| committer | Anthony Liguori <aliguori@us.ibm.com> | 2012-08-03 13:50:41 -0500 |
| commit | aeb01d5f2c9a89c557adb0fb40bca15238f93124 (patch) | |
| tree | 04a96e4b5338adb8421afe55f5758529581f44bd | |
| parent | c8057f951d64de93bfd01569c0a725baa9f94372 (diff) | |
| parent | 4cdc0789ec17ce1ce48506cae62035310e932a2e (diff) | |
| download | focaccia-qemu-aeb01d5f2c9a89c557adb0fb40bca15238f93124.tar.gz focaccia-qemu-aeb01d5f2c9a89c557adb0fb40bca15238f93124.zip | |
Merge remote-tracking branch 'aneesh/for-upstream' into staging
* aneesh/for-upstream: hw/9pfs: Fix assert when disabling migration configure: Fix build with capabilities
| -rw-r--r-- | hw/9pfs/virtio-9p.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/hw/9pfs/virtio-9p.c b/hw/9pfs/virtio-9p.c index f4a7026381..4b52540116 100644 --- a/hw/9pfs/virtio-9p.c +++ b/hw/9pfs/virtio-9p.c @@ -983,11 +983,16 @@ static void v9fs_attach(void *opaque) err += offset; trace_v9fs_attach_return(pdu->tag, pdu->id, qid.type, qid.version, qid.path); - s->root_fid = fid; - /* disable migration */ - error_set(&s->migration_blocker, QERR_VIRTFS_FEATURE_BLOCKS_MIGRATION, - s->ctx.fs_root ? s->ctx.fs_root : "NULL", s->tag); - migrate_add_blocker(s->migration_blocker); + /* + * disable migration if we haven't done already. + * attach could get called multiple times for the same export. + */ + if (!s->migration_blocker) { + s->root_fid = fid; + error_set(&s->migration_blocker, QERR_VIRTFS_FEATURE_BLOCKS_MIGRATION, + s->ctx.fs_root ? s->ctx.fs_root : "NULL", s->tag); + migrate_add_blocker(s->migration_blocker); + } out: put_fid(pdu, fidp); out_nofid: |