LU-3611 quota: Fix order of locking and allocating memory.

[fs/lustre-release.git] / lustre / mgs / mgs_llog.c

diff --git a/lustre/mgs/mgs_llog.c b/lustre/mgs/mgs_llog.c
index baaec4a..1d4f58c 100644 (file)
--- a/lustre/mgs/mgs_llog.c
+++ b/lustre/mgs/mgs_llog.c
@@ -3887,14 +3887,13 @@ int mgs_pool_cmd(const struct lu_env *env, struct mgs_device *mgs,
                 break;
         }
 
-       mutex_lock(&fsdb->fsdb_mutex);
-
         if (canceled_label != NULL) {
                 OBD_ALLOC_PTR(mti);
                 if (mti == NULL)
                        GOTO(out_cancel, rc = -ENOMEM);
         }
 
+       mutex_lock(&fsdb->fsdb_mutex);
         /* write pool def to all MDT logs */
         for (i = 0; i < INDEX_MAP_SIZE * 8; i++) {
                if (test_bit(i,  fsdb->fsdb_mdt_index_map)) {