net/bnxt: fix cleanup on mutex init failure

In case mutex init fails during initialization, start cleanup and
fail the initialization process.

Fixes: a73b8e9 ("net/bnxt: fix race between start and interrupt handler")
Cc: stable@dpdk.org

Signed-off-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
Acked-by: Lance Richardson <lance.richardson@broadcom.com>

drivers/net/bnxt/bnxt_ethdev.c

@@ -4739,8 +4739,10 @@ bnxt_init_locks(struct bnxt *bp)
 	}
 
 	err = pthread_mutex_init(&bp->def_cp_lock, NULL);
-	if (err)
+	if (err) {
 		PMD_DRV_LOG(ERR, "Unable to initialize def_cp_lock\n");
+		return err;
+	}
 
 	err = pthread_mutex_init(&bp->health_check_lock, NULL);
 	if (err)