[PATCH] migration: Unlock mutex in error case

[Juan Quintela]

We were not unlocking bitmap mutex on the error case.
Coverity discovered the problem.

Fixes: a2326705e5 ("migration: Stop migration immediately in RDMA error paths")
Signed-off-by: Juan Quintela <quint...@redhat.com>
---
 migration/ram.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/migration/ram.c b/migration/ram.c
index 34724e8fe8..8c4df60f29 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -3040,6 +3040,7 @@ static int ram_save_iterate(QEMUFile *f, void *opaque)
         ret = rdma_registration_start(f, RAM_CONTROL_ROUND);
         if (ret < 0) {
             qemu_file_set_error(f, ret);
+            qemu_mutex_unlock(&rs->bitmap_mutex);
             goto out;
         }
 
-- 
2.41.0