cmd_migrate: Fix small UAFHEADmaster

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

1 files changed, 2 insertions, 1 deletions

diff --git a/c_src/cmd_migrate.c b/c_src/cmd_migrate.c
index 0d24018c..b4da4e5b 100644
--- a/c_src/cmd_migrate.c
+++ b/c_src/cmd_migrate.c
@@ -244,7 +244,6 @@ static int migrate_fs(const char		*fs_path,
 	find_superblock_space(extents, format_opts, dev);
 
 	struct bch_sb *sb = bch2_format(fs_opt_strs, fs_opts, format_opts, devs);
-	darray_exit(&devs);
 
 	u64 sb_offset = le64_to_cpu(sb->layout.sb_offset[0]);
 
@@ -316,6 +315,8 @@ static int migrate_fs(const char		*fs_path,
 	       "no longer needed (and should be deleted prior to running\n"
 	       "bcachefs migrate-superblock)\n",
 	       sb_offset, dev->path, dev->path, sb_offset);
+
+	darray_exit(&devs);
 	return 0;
 }