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Commit ba574696 authored by Anton Vorontsov's avatar Anton Vorontsov Committed by David S. Miller
Browse files

ucc_geth: Cleanup repetitive ucc_geth_memclean() calls 



No need to call ucc_geth_memclean() so many times, just check for
errors in ucc_geth_open(), and call ucc_geth_stop() in case of errors.

The ucc_geth_stop() may be called anytime and will do the right thing.

Signed-off-by: default avatarAnton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 67c2fb8f

drivers/net/ucc_geth.c

+1 −30
Original line number Diff line number Diff line
@@ -2420,7 +2420,6 @@ static int ucc_struct_init(struct ucc_geth_private *ugeth) 
	if (ucc_fast_init(uf_info, &ugeth->uccf)) {

		if (netif_msg_probe(ugeth))

			ugeth_err("%s: Failed to init uccf.", __func__);

		ucc_geth_memclean(ugeth);

		return -ENOMEM;

	}
@@ -2476,7 +2475,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) 
		if (netif_msg_ifup(ugeth))

			ugeth_err("%s: Bad number of Rx threads value.",

				       	__func__);

		ucc_geth_memclean(ugeth);

		return -EINVAL;

		break;

	}
@@ -2501,7 +2499,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) 
		if (netif_msg_ifup(ugeth))

			ugeth_err("%s: Bad number of Tx threads value.",

				       	__func__);

		ucc_geth_memclean(ugeth);

		return -EINVAL;

		break;

	}
@@ -2555,7 +2552,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) 
		if (netif_msg_ifup(ugeth))

			ugeth_err("%s: IPGIFG initialization parameter too large.",

				  __func__);

		ucc_geth_memclean(ugeth);

		return ret_val;

	}
@@ -2573,7 +2569,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) 
		if (netif_msg_ifup(ugeth))

			ugeth_err("%s: Half Duplex initialization parameter too large.",

			  __func__);

		ucc_geth_memclean(ugeth);

		return ret_val;

	}
@@ -2628,7 +2623,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) 
				ugeth_err

				    ("%s: Can not allocate memory for Tx bd rings.",

				     __func__);

			ucc_geth_memclean(ugeth);

			return -ENOMEM;

		}

		/* Zero unused end of bd ring, according to spec */
@@ -2664,7 +2658,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) 
				ugeth_err

				    ("%s: Can not allocate memory for Rx bd rings.",

				     __func__);

			ucc_geth_memclean(ugeth);

			return -ENOMEM;

		}

	}
@@ -2680,7 +2673,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) 
			if (netif_msg_ifup(ugeth))

				ugeth_err("%s: Could not allocate tx_skbuff",

					  __func__);

			ucc_geth_memclean(ugeth);

			return -ENOMEM;

		}
@@ -2712,7 +2704,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) 
			if (netif_msg_ifup(ugeth))

				ugeth_err("%s: Could not allocate rx_skbuff",

					  __func__);

			ucc_geth_memclean(ugeth);

			return -ENOMEM;

		}
@@ -2746,7 +2737,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) 
			ugeth_err

			    ("%s: Can not allocate DPRAM memory for p_tx_glbl_pram.",

			     __func__);

		ucc_geth_memclean(ugeth);

		return -ENOMEM;

	}

	ugeth->p_tx_glbl_pram =
@@ -2769,7 +2759,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) 
			ugeth_err

			    ("%s: Can not allocate DPRAM memory for p_thread_data_tx.",

			     __func__);

		ucc_geth_memclean(ugeth);

		return -ENOMEM;

	}
@@ -2799,7 +2788,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) 
			ugeth_err

			    ("%s: Can not allocate DPRAM memory for p_send_q_mem_reg.",

			     __func__);

		ucc_geth_memclean(ugeth);

		return -ENOMEM;

	}
@@ -2843,7 +2831,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) 
				ugeth_err

				 ("%s: Can not allocate DPRAM memory for p_scheduler.",

				     __func__);

			ucc_geth_memclean(ugeth);

			return -ENOMEM;

		}
@@ -2894,7 +2881,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) 
				    ("%s: Can not allocate DPRAM memory for"

					" p_tx_fw_statistics_pram.",

				       	__func__);

			ucc_geth_memclean(ugeth);

			return -ENOMEM;

		}

		ugeth->p_tx_fw_statistics_pram =
@@ -2934,7 +2920,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) 
			ugeth_err

			    ("%s: Can not allocate DPRAM memory for p_rx_glbl_pram.",

			     __func__);

		ucc_geth_memclean(ugeth);

		return -ENOMEM;

	}

	ugeth->p_rx_glbl_pram =
@@ -2956,7 +2941,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) 
			ugeth_err

			    ("%s: Can not allocate DPRAM memory for p_thread_data_rx.",

			     __func__);

		ucc_geth_memclean(ugeth);

		return -ENOMEM;

	}
@@ -2980,7 +2964,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) 
				ugeth_err

					("%s: Can not allocate DPRAM memory for"

					" p_rx_fw_statistics_pram.", __func__);

			ucc_geth_memclean(ugeth);

			return -ENOMEM;

		}

		ugeth->p_rx_fw_statistics_pram =
@@ -3003,7 +2986,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) 
			ugeth_err

			    ("%s: Can not allocate DPRAM memory for"

				" p_rx_irq_coalescing_tbl.", __func__);

		ucc_geth_memclean(ugeth);

		return -ENOMEM;

	}
@@ -3072,7 +3054,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) 
			ugeth_err

			    ("%s: Can not allocate DPRAM memory for p_rx_bd_qs_tbl.",

			     __func__);

		ucc_geth_memclean(ugeth);

		return -ENOMEM;

	}
@@ -3149,7 +3130,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) 
			if (netif_msg_ifup(ugeth))

				ugeth_err("%s: Null Extended Filtering Chain Pointer.",

					  __func__);

			ucc_geth_memclean(ugeth);

			return -EINVAL;

		}
@@ -3163,7 +3143,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) 
				ugeth_err

					("%s: Can not allocate DPRAM memory for"

					" p_exf_glbl_param.", __func__);

			ucc_geth_memclean(ugeth);

			return -ENOMEM;

		}
@@ -3211,7 +3190,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) 
			ugeth_err

			    ("%s: Can not allocate memory for"

				" p_UccInitEnetParamShadows.", __func__);

		ucc_geth_memclean(ugeth);

		return -ENOMEM;

	}

	/* Zero out *p_init_enet_param_shadow */
@@ -3246,7 +3224,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) 
		if (netif_msg_ifup(ugeth))

			ugeth_err("%s: Invalid largest External Lookup Key Size.",

				  __func__);

		ucc_geth_memclean(ugeth);

		return -EINVAL;

	}

	ugeth->p_init_enet_param_shadow->largestexternallookupkeysize =
@@ -3273,7 +3250,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) 
		if (netif_msg_ifup(ugeth))

				ugeth_err("%s: Can not fill p_init_enet_param_shadow.",

					__func__);

		ucc_geth_memclean(ugeth);

		return ret_val;

	}
@@ -3289,7 +3265,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) 
		if (netif_msg_ifup(ugeth))

			ugeth_err("%s: Can not fill p_init_enet_param_shadow.",

				  __func__);

		ucc_geth_memclean(ugeth);

		return ret_val;

	}
@@ -3299,7 +3274,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) 
			if (netif_msg_ifup(ugeth))

				ugeth_err("%s: Can not fill Rx bds with buffers.",

					  __func__);

			ucc_geth_memclean(ugeth);

			return ret_val;

		}

	}
@@ -3311,7 +3285,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) 
			ugeth_err

			    ("%s: Can not allocate DPRAM memory for p_init_enet_pram.",

			     __func__);

		ucc_geth_memclean(ugeth);

		return -ENOMEM;

	}

	p_init_enet_pram =
@@ -3761,7 +3734,6 @@ static int ucc_geth_open(struct net_device *dev) 
	if (err) {

		if (netif_msg_ifup(ugeth))

			ugeth_err("%s: Cannot enable net device, aborting.", dev->name);

		ucc_geth_stop(ugeth);

		goto out_err;

	}
@@ -3771,7 +3743,6 @@ static int ucc_geth_open(struct net_device *dev) 
		if (netif_msg_ifup(ugeth))

			ugeth_err("%s: Cannot get IRQ for net device, aborting.",

				  dev->name);

		ucc_geth_stop(ugeth);

		goto out_err;

	}
@@ -3781,7 +3752,7 @@ static int ucc_geth_open(struct net_device *dev) 


out_err:

	napi_disable(&ugeth->napi);



	ucc_geth_stop(ugeth);

	return err;

}