From: Jacob Keller <jacob.e.keller@intel.com>
To: intel-wired-lan@osuosl.org
Subject: [Intel-wired-lan] [PATCH 13/19] fm10k: remove needless assignment of err local variable
Date: Mon, 8 Jul 2019 16:12:30 -0700 [thread overview]
Message-ID: <20190708231236.20516-14-jacob.e.keller@intel.com> (raw)
In-Reply-To: <20190708231236.20516-1-jacob.e.keller@intel.com>
The local variable err in several functions in the fm10k_netdev.c file
is initialized with a value that is never used. The err value is
immediately re-assigned in all cases where it will be checked. Remove
the unnecessary initializers.
This was detected by cppcheck and resolves the following warnings
produced by that tool:
[fm10k_netdev.c:999] -> [fm10k_netdev.c:1004]: (style) Variable 'err' is
reassigned a value before the old one has been used.
[fm10k_netdev.c:1019] -> [fm10k_netdev.c:1024]: (style) Variable 'err'
is reassigned a value before the old one has been used.
[fm10k_netdev.c:64]: (style) Variable 'err' is assigned a value that is
never used.
[fm10k_netdev.c:131]: (style) Variable 'err' is assigned a value that
is never used.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
---
drivers/net/ethernet/intel/fm10k/fm10k_netdev.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c b/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c
index 259da075093f..4704395c0f66 100644
--- a/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c
+++ b/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c
@@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
-/* Copyright(c) 2013 - 2018 Intel Corporation. */
+/* Copyright(c) 2013 - 2019 Intel Corporation. */
#include "fm10k.h"
#include <linux/vmalloc.h>
@@ -54,7 +54,7 @@ int fm10k_setup_tx_resources(struct fm10k_ring *tx_ring)
**/
static int fm10k_setup_all_tx_resources(struct fm10k_intfc *interface)
{
- int i, err = 0;
+ int i, err;
for (i = 0; i < interface->num_tx_queues; i++) {
err = fm10k_setup_tx_resources(interface->tx_ring[i]);
@@ -121,7 +121,7 @@ int fm10k_setup_rx_resources(struct fm10k_ring *rx_ring)
**/
static int fm10k_setup_all_rx_resources(struct fm10k_intfc *interface)
{
- int i, err = 0;
+ int i, err;
for (i = 0; i < interface->num_rx_queues; i++) {
err = fm10k_setup_rx_resources(interface->rx_ring[i]);
@@ -871,7 +871,7 @@ static int fm10k_uc_vlan_unsync(struct net_device *netdev,
u16 glort = interface->glort;
u16 vid = interface->vid;
bool set = !!(vid / VLAN_N_VID);
- int err = -EHOSTDOWN;
+ int err;
/* drop any leading bits on the VLAN ID */
vid &= VLAN_N_VID - 1;
@@ -891,7 +891,7 @@ static int fm10k_mc_vlan_unsync(struct net_device *netdev,
u16 glort = interface->glort;
u16 vid = interface->vid;
bool set = !!(vid / VLAN_N_VID);
- int err = -EHOSTDOWN;
+ int err;
/* drop any leading bits on the VLAN ID */
vid &= VLAN_N_VID - 1;
--
2.22.0.214.g8dca754b1e87
next prev parent reply other threads:[~2019-07-08 23:12 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-08 23:12 [Intel-wired-lan] [PATCH 00/19] cleanup cppcheck warnings for fm10k driver Jacob Keller
2019-07-08 23:12 ` [Intel-wired-lan] [PATCH 01/19] fm10k: reduce scope of the err variable Jacob Keller
2019-07-12 17:59 ` Bowers, AndrewX
2019-07-08 23:12 ` [Intel-wired-lan] [PATCH 02/19] fm10k: reduce scope of *p local variable Jacob Keller
2019-07-12 17:59 ` Bowers, AndrewX
2019-07-08 23:12 ` [Intel-wired-lan] [PATCH 03/19] fm10k: reduce the scope of qv " Jacob Keller
2019-07-12 18:00 ` Bowers, AndrewX
2019-07-08 23:12 ` [Intel-wired-lan] [PATCH 04/19] fm10k: reduce the scope of local err variable Jacob Keller
2019-07-12 18:00 ` Bowers, AndrewX
2019-07-08 23:12 ` [Intel-wired-lan] [PATCH 05/19] fm10k: reduce the scope of the q_idx local variable Jacob Keller
2019-07-12 18:01 ` Bowers, AndrewX
2019-07-08 23:12 ` [Intel-wired-lan] [PATCH 06/19] fm10k: reduce the scope of the tx_buffer variable Jacob Keller
2019-07-12 18:02 ` Bowers, AndrewX
2019-07-08 23:12 ` [Intel-wired-lan] [PATCH 07/19] fm10k: reduce the scope of the err variable Jacob Keller
2019-07-12 18:02 ` Bowers, AndrewX
2019-07-08 23:12 ` [Intel-wired-lan] [PATCH 08/19] fm10k: reduce the scope of the local i variable Jacob Keller
2019-07-12 18:02 ` Bowers, AndrewX
2019-07-08 23:12 ` [Intel-wired-lan] [PATCH 09/19] fm10k: reduce the scope of the local msg variable Jacob Keller
2019-07-12 18:03 ` Bowers, AndrewX
2019-07-08 23:12 ` [Intel-wired-lan] [PATCH 10/19] fm10k: reduce the scope of the result local variable Jacob Keller
2019-07-12 18:04 ` Bowers, AndrewX
2019-07-08 23:12 ` [Intel-wired-lan] [PATCH 11/19] fm10k: reduce scope of the ring variable Jacob Keller
2019-07-12 18:04 ` Bowers, AndrewX
2019-07-08 23:12 ` [Intel-wired-lan] [PATCH 12/19] fm10k: remove unnecessary variable initializer Jacob Keller
2019-07-12 18:05 ` Bowers, AndrewX
2019-07-08 23:12 ` Jacob Keller [this message]
2019-07-12 18:05 ` [Intel-wired-lan] [PATCH 13/19] fm10k: remove needless assignment of err local variable Bowers, AndrewX
2019-07-08 23:12 ` [Intel-wired-lan] [PATCH 14/19] fm10k: remove needless initialization of size " Jacob Keller
2019-07-12 18:06 ` Bowers, AndrewX
2019-07-08 23:12 ` [Intel-wired-lan] [PATCH 15/19] fm10k: explicitly return 0 on success path in function Jacob Keller
2019-07-12 18:06 ` Bowers, AndrewX
2019-07-08 23:12 ` [Intel-wired-lan] [PATCH 16/19] fm10k: cast page_addr to u8 * when incrementing it Jacob Keller
2019-07-12 18:07 ` Bowers, AndrewX
2019-07-08 23:12 ` [Intel-wired-lan] [PATCH 17/19] fm10k: mark unused parameters with __always_unused Jacob Keller
2019-07-12 18:07 ` Bowers, AndrewX
2019-07-08 23:12 ` [Intel-wired-lan] [PATCH 18/19] fm10k: convert NON_Q_VECTORS(hw) into NON_Q_VECTORS Jacob Keller
2019-07-12 18:08 ` Bowers, AndrewX
2019-07-08 23:12 ` [Intel-wired-lan] [PATCH 19/19] fm10k: fix fm10k_get_fault_pf to read correct address Jacob Keller
2019-07-12 18:08 ` Bowers, AndrewX
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