[LU-6518] Unhandled possible allocation failure in lustre_start_mgc

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.9.0
• Labels: easy patch
• Severity: 3
• Assignee: WC Triage
• Reporter: Oleg Drokin

Description

Smatch highlighted this in lustre_start_mgc:

        /* Random uuid for MGC allows easier reconnects */
        OBD_ALLOC_PTR(uuid);
        ll_generate_random_uuid(uuidc);
        class_uuid_unparse(uuidc, uuid);

        /* Start the MGC */
        rc = lustre_start_simple(mgcname, LUSTRE_MGC_NAME,
                                 (char *)uuid->uuid, LUSTRE_MGS_OBDNAME,
                                 niduuid, NULL, NULL);
        OBD_FREE_PTR(uuid);