On Mon, Mar 22, 2021 at 06:14:08PM +0300, Dan Carpenter wrote:
On Wed, Mar 10, 2021 at 08:21:37AM +0800, Coiby Xu wrote:
Hi Dan,

Thanks for finding this issue! I'll submit all the patches including the
one for the previous issue reported by you ("[bug report] staging: qlge:
Initialize devlink health dump framework") after finishing all items listed
in drivers/staging/qlge/TODO.


I just sent a patch for this.

Part of my QC process before I send a patch is to search my inbox to
see if I have already sent the patch before.  I have the memory of a
gnat and static checker warnings all look the same after a while so I
once wrote the same patch three times before I implemented this as part
of my QC process.

Anyway, it turns out that I did report this bug already but since you
hadn't sent a fix, I decided to just send my fix instead of deleting it.


Thank you for sharing the info about your QC process.
When kbuild detects a bug in your patch then please fix it as soon as
you can.  Certainly don't wait until "all the TODO items" are done.  (0_0)

Thanks for the suggestion! The reason I haven't sent the patch for this
bug is I haven't tested the patch on a system using this qlge driver.
Red Hat has a system where I can do testing but I need to borrow it and
return it asap. So I want to test all the patches together when finishing "all the TODO items".
Just do what I do and promise to "fix it tomorrow morning" and then
forget about it forever.  ;)


Sorry for keeping you waiting. I'll fix a bug detected by kbuild as soon
as possible next time especially when a fix is unlikely to introduce
another issue.

regards,
dan carpenter

On Thu, Feb 25, 2021 at 01:03:03PM +0300, Dan Carpenter wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git  
master
> head:   29c395c77a9a514c5857c45ceae2665e9bd99ac7
> commit: 953b94009377419f28fd0153f91fcd5b5a347608 staging: qlge: Initialize 
devlink health dump framework
> config: i386-randconfig-m021-20210225 (attached as .config)
> compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <l...@intel.com>
> Reported-by: Dan Carpenter <dan.carpen...@oracle.com>
>
> smatch warnings:
> drivers/staging/qlge/qlge_main.c:4564 qlge_probe() warn: missing error code 
'err'
>
> vim +/err +4564 drivers/staging/qlge/qlge_main.c
>
> 5d8e87265715a1 drivers/net/ethernet/qlogic/qlge/qlge_main.c Bill Pemberton    
 2012-12-03  4544  static int qlge_probe(struct pci_dev *pdev,
> c4e84bde1d595d drivers/net/qlge/qlge_main.c                 Ron Mercer        
 2008-09-18  4545                  const struct pci_device_id *pci_entry)
> c4e84bde1d595d drivers/net/qlge/qlge_main.c                 Ron Mercer        
 2008-09-18  4546  {
> 953b9400937741 drivers/staging/qlge/qlge_main.c             Coiby Xu          
 2021-01-23  4547    struct qlge_netdev_priv *ndev_priv;
> f8c047be540197 drivers/staging/qlge/qlge_main.c             Coiby Xu          
 2021-01-23  4548    struct qlge_adapter *qdev = NULL;
> 953b9400937741 drivers/staging/qlge/qlge_main.c             Coiby Xu          
 2021-01-23  4549    struct net_device *ndev = NULL;
> 953b9400937741 drivers/staging/qlge/qlge_main.c             Coiby Xu          
 2021-01-23  4550    struct devlink *devlink;
> f41e1a0a9462fc drivers/staging/qlge/qlge_main.c             Dorothea Ehrl     
 2019-11-27  4551    static int cards_found;
> c4e84bde1d595d drivers/net/qlge/qlge_main.c                 Ron Mercer        
 2008-09-18  4552    int err = 0;
> c4e84bde1d595d drivers/net/qlge/qlge_main.c                 Ron Mercer        
 2008-09-18  4553
> 953b9400937741 drivers/staging/qlge/qlge_main.c             Coiby Xu           
2021-01-23  4554    devlink = devlink_alloc(&qlge_devlink_ops, sizeof(struct 
qlge_adapter));
> 953b9400937741 drivers/staging/qlge/qlge_main.c             Coiby Xu          
 2021-01-23  4555    if (!devlink)
> 953b9400937741 drivers/staging/qlge/qlge_main.c             Coiby Xu          
 2021-01-23  4556            return -ENOMEM;
> 953b9400937741 drivers/staging/qlge/qlge_main.c             Coiby Xu          
 2021-01-23  4557
> 953b9400937741 drivers/staging/qlge/qlge_main.c             Coiby Xu          
 2021-01-23  4558    qdev = devlink_priv(devlink);
> 953b9400937741 drivers/staging/qlge/qlge_main.c             Coiby Xu          
 2021-01-23  4559
> 953b9400937741 drivers/staging/qlge/qlge_main.c             Coiby Xu          
 2021-01-23  4560    ndev = alloc_etherdev_mq(sizeof(struct qlge_netdev_priv),
> 1b998958b301fb drivers/staging/qlge/qlge_main.c             Scott Schafer     
 2019-12-11  4561                             min(MAX_CPUS,
> 1b998958b301fb drivers/staging/qlge/qlge_main.c             Scott Schafer     
 2019-12-11  4562                                 
netif_get_num_default_rss_queues()));
> c4e84bde1d595d drivers/net/qlge/qlge_main.c                 Ron Mercer        
 2008-09-18  4563    if (!ndev)
> 953b9400937741 drivers/staging/qlge/qlge_main.c             Coiby Xu          
 2021-01-23 @4564            goto devlink_free;
>
> "err = -ENOMEM;"
>
> c4e84bde1d595d drivers/net/qlge/qlge_main.c                 Ron Mercer        
 2008-09-18  4565
> 953b9400937741 drivers/staging/qlge/qlge_main.c             Coiby Xu          
 2021-01-23  4566    ndev_priv = netdev_priv(ndev);
> 953b9400937741 drivers/staging/qlge/qlge_main.c             Coiby Xu           
2021-01-23  4567    ndev_priv->qdev = qdev;
> 953b9400937741 drivers/staging/qlge/qlge_main.c             Coiby Xu           
2021-01-23  4568    ndev_priv->ndev = ndev;
> 953b9400937741 drivers/staging/qlge/qlge_main.c             Coiby Xu           
2021-01-23  4569    qdev->ndev = ndev;
> 953b9400937741 drivers/staging/qlge/qlge_main.c             Coiby Xu          
 2021-01-23  4570    err = qlge_init_device(pdev, qdev, cards_found);
> 953b9400937741 drivers/staging/qlge/qlge_main.c             Coiby Xu           
2021-01-23  4571    if (err < 0)
> 953b9400937741 drivers/staging/qlge/qlge_main.c             Coiby Xu          
 2021-01-23  4572            goto netdev_free;
> c4e84bde1d595d drivers/net/qlge/qlge_main.c                 Ron Mercer        
 2008-09-18  4573
> c4e84bde1d595d drivers/net/qlge/qlge_main.c                 Ron Mercer         
2008-09-18  4574    SET_NETDEV_DEV(ndev, &pdev->dev);
> a45adbe8d35247 drivers/net/ethernet/qlogic/qlge/qlge_main.c Jitendra Kalsaria  
2013-09-27  4575    ndev->hw_features = NETIF_F_SG |
> a45adbe8d35247 drivers/net/ethernet/qlogic/qlge/qlge_main.c Jitendra Kalsaria 
 2013-09-27  4576            NETIF_F_IP_CSUM |
> a45adbe8d35247 drivers/net/ethernet/qlogic/qlge/qlge_main.c Jitendra Kalsaria 
 2013-09-27  4577            NETIF_F_TSO |
> a45adbe8d35247 drivers/net/ethernet/qlogic/qlge/qlge_main.c Jitendra Kalsaria 
 2013-09-27  4578            NETIF_F_TSO_ECN |
> a45adbe8d35247 drivers/net/ethernet/qlogic/qlge/qlge_main.c Jitendra Kalsaria 
 2013-09-27  4579            NETIF_F_HW_VLAN_CTAG_TX |
> a45adbe8d35247 drivers/net/ethernet/qlogic/qlge/qlge_main.c Jitendra Kalsaria 
 2013-09-27  4580            NETIF_F_HW_VLAN_CTAG_RX |
> a45adbe8d35247 drivers/net/ethernet/qlogic/qlge/qlge_main.c Jitendra Kalsaria 
 2013-09-27  4581            NETIF_F_HW_VLAN_CTAG_FILTER |
> a45adbe8d35247 drivers/net/ethernet/qlogic/qlge/qlge_main.c Jitendra Kalsaria 
 2013-09-27  4582            NETIF_F_RXCSUM;
> a45adbe8d35247 drivers/net/ethernet/qlogic/qlge/qlge_main.c Jitendra Kalsaria  
2013-09-27  4583    ndev->features = ndev->hw_features;
> 1a0150a93c4969 drivers/net/ethernet/qlogic/qlge/qlge_main.c bren...@br.ibm.com 
2012-07-27  4584    ndev->vlan_features = ndev->hw_features;
> 51bb352f15595f drivers/net/ethernet/qlogic/qlge/qlge_main.c Jitendra Kalsaria 
 2014-01-14  4585    /* vlan gets same features (except vlan filter) */
> f6d1ac4b5f15f5 drivers/net/ethernet/qlogic/qlge/qlge_main.c Vlad Yasevich      
2014-03-27  4586    ndev->vlan_features &= ~(NETIF_F_HW_VLAN_CTAG_FILTER |
> f6d1ac4b5f15f5 drivers/net/ethernet/qlogic/qlge/qlge_main.c Vlad Yasevich     
 2014-03-27  4587                             NETIF_F_HW_VLAN_CTAG_TX |
> f6d1ac4b5f15f5 drivers/net/ethernet/qlogic/qlge/qlge_main.c Vlad Yasevich     
 2014-03-27  4588                             NETIF_F_HW_VLAN_CTAG_RX);
> c4e84bde1d595d drivers/net/qlge/qlge_main.c                 Ron Mercer        
 2008-09-18  4589
> c4e84bde1d595d drivers/net/qlge/qlge_main.c                 Ron Mercer         
2008-09-18  4590    if (test_bit(QL_DMA64, &qdev->flags))
> c4e84bde1d595d drivers/net/qlge/qlge_main.c                 Ron Mercer         
2008-09-18  4591            ndev->features |= NETIF_F_HIGHDMA;
> c4e84bde1d595d drivers/net/qlge/qlge_main.c                 Ron Mercer        
 2008-09-18  4592
> c4e84bde1d595d drivers/net/qlge/qlge_main.c                 Ron Mercer        
 2008-09-18  4593    /*
> c4e84bde1d595d drivers/net/qlge/qlge_main.c                 Ron Mercer        
 2008-09-18  4594     * Set up net_device structure.
> c4e84bde1d595d drivers/net/qlge/qlge_main.c                 Ron Mercer        
 2008-09-18  4595     */
> c4e84bde1d595d drivers/net/qlge/qlge_main.c                 Ron Mercer         
2008-09-18  4596    ndev->tx_queue_len = qdev->tx_ring_size;
> c4e84bde1d595d drivers/net/qlge/qlge_main.c                 Ron Mercer         
2008-09-18  4597    ndev->irq = pdev->irq;
> 25ed784910e43e drivers/net/qlge/qlge_main.c                 Stephen Hemminger 
 2008-11-21  4598
> 25ed784910e43e drivers/net/qlge/qlge_main.c                 Stephen Hemminger  
2008-11-21  4599    ndev->netdev_ops = &qlge_netdev_ops;
> 7ad24ea4bf620a drivers/net/ethernet/qlogic/qlge/qlge_main.c Wilfried Klaebe    
2014-05-11  4600    ndev->ethtool_ops = &qlge_ethtool_ops;
> c4e84bde1d595d drivers/net/qlge/qlge_main.c                 Ron Mercer         
2008-09-18  4601    ndev->watchdog_timeo = 10 * HZ;
> 25ed784910e43e drivers/net/qlge/qlge_main.c                 Stephen Hemminger 
 2008-11-21  4602
> d894be57ca92c8 drivers/net/ethernet/qlogic/qlge/qlge_main.c Jarod Wilson      
 2016-10-20  4603    /* MTU range: this driver only supports 1500 or 9000, so this 
only
> d894be57ca92c8 drivers/net/ethernet/qlogic/qlge/qlge_main.c Jarod Wilson      
 2016-10-20  4604     * filters out values above or below, and we'll rely on
> d894be57ca92c8 drivers/net/ethernet/qlogic/qlge/qlge_main.c Jarod Wilson      
 2016-10-20  4605     * qlge_change_mtu to make sure only 1500 or 9000 are allowed
> d894be57ca92c8 drivers/net/ethernet/qlogic/qlge/qlge_main.c Jarod Wilson      
 2016-10-20  4606     */
> d894be57ca92c8 drivers/net/ethernet/qlogic/qlge/qlge_main.c Jarod Wilson       
2016-10-20  4607    ndev->min_mtu = ETH_DATA_LEN;
> d894be57ca92c8 drivers/net/ethernet/qlogic/qlge/qlge_main.c Jarod Wilson       
2016-10-20  4608    ndev->max_mtu = 9000;
> d894be57ca92c8 drivers/net/ethernet/qlogic/qlge/qlge_main.c Jarod Wilson      
 2016-10-20  4609
> c4e84bde1d595d drivers/net/qlge/qlge_main.c                 Ron Mercer        
 2008-09-18  4610    err = register_netdev(ndev);
> c4e84bde1d595d drivers/net/qlge/qlge_main.c                 Ron Mercer        
 2008-09-18  4611    if (err) {
> c4e84bde1d595d drivers/net/qlge/qlge_main.c                 Ron Mercer         2008-09-18  
4612            dev_err(&pdev->dev, "net device registration failed.\n");
> f8c047be540197 drivers/staging/qlge/qlge_main.c             Coiby Xu          
 2021-01-23  4613            qlge_release_all(pdev);
> c4e84bde1d595d drivers/net/qlge/qlge_main.c                 Ron Mercer        
 2008-09-18  4614            pci_disable_device(pdev);
> 953b9400937741 drivers/staging/qlge/qlge_main.c             Coiby Xu          
 2021-01-23  4615            goto netdev_free;
> c4e84bde1d595d drivers/net/qlge/qlge_main.c                 Ron Mercer        
 2008-09-18  4616    }
> 953b9400937741 drivers/staging/qlge/qlge_main.c             Coiby Xu          
 2021-01-23  4617
> 953b9400937741 drivers/staging/qlge/qlge_main.c             Coiby Xu           
2021-01-23  4618    err = devlink_register(devlink, &pdev->dev);
> 953b9400937741 drivers/staging/qlge/qlge_main.c             Coiby Xu          
 2021-01-23  4619    if (err)
> 953b9400937741 drivers/staging/qlge/qlge_main.c             Coiby Xu          
 2021-01-23  4620            goto netdev_free;
> 953b9400937741 drivers/staging/qlge/qlge_main.c             Coiby Xu          
 2021-01-23  4621
> 953b9400937741 drivers/staging/qlge/qlge_main.c             Coiby Xu          
 2021-01-23  4622    qlge_health_create_reporters(qdev);
> 15c052fc7f4a1b drivers/net/qlge/qlge_main.c                 Ron Mercer        
 2010-02-04  4623    /* Start up the timer to trigger EEH if
> 15c052fc7f4a1b drivers/net/qlge/qlge_main.c                 Ron Mercer        
 2010-02-04  4624     * the bus goes dead
> 15c052fc7f4a1b drivers/net/qlge/qlge_main.c                 Ron Mercer        
 2010-02-04  4625     */
> f8c047be540197 drivers/staging/qlge/qlge_main.c             Coiby Xu           
2021-01-23  4626    timer_setup(&qdev->timer, qlge_timer, TIMER_DEFERRABLE);
> df7e828c1b6997 drivers/net/ethernet/qlogic/qlge/qlge_main.c Kees Cook          
2017-10-04  4627    mod_timer(&qdev->timer, jiffies + (5 * HZ));
> f8c047be540197 drivers/staging/qlge/qlge_main.c             Coiby Xu          
 2021-01-23  4628    qlge_link_off(qdev);
> f8c047be540197 drivers/staging/qlge/qlge_main.c             Coiby Xu          
 2021-01-23  4629    qlge_display_dev_info(ndev);
> 9dfbbaa6b0b9f7 drivers/net/qlge/qlge_main.c                 Ron Mercer         
2009-10-30  4630    atomic_set(&qdev->lb_count, 0);
> c4e84bde1d595d drivers/net/qlge/qlge_main.c                 Ron Mercer        
 2008-09-18  4631    cards_found++;
> c4e84bde1d595d drivers/net/qlge/qlge_main.c                 Ron Mercer        
 2008-09-18  4632    return 0;
> 953b9400937741 drivers/staging/qlge/qlge_main.c             Coiby Xu          
 2021-01-23  4633
> 953b9400937741 drivers/staging/qlge/qlge_main.c             Coiby Xu          
 2021-01-23  4634  netdev_free:
> 953b9400937741 drivers/staging/qlge/qlge_main.c             Coiby Xu          
 2021-01-23  4635    free_netdev(ndev);
> 953b9400937741 drivers/staging/qlge/qlge_main.c             Coiby Xu          
 2021-01-23  4636  devlink_free:
> 953b9400937741 drivers/staging/qlge/qlge_main.c             Coiby Xu          
 2021-01-23  4637    devlink_free(devlink);
> 953b9400937741 drivers/staging/qlge/qlge_main.c             Coiby Xu          
 2021-01-23  4638
> 953b9400937741 drivers/staging/qlge/qlge_main.c             Coiby Xu          
 2021-01-23  4639    return err;
> c4e84bde1d595d drivers/net/qlge/qlge_main.c                 Ron Mercer        
 2008-09-18  4640  }
>
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org



--
Best regards,
Coiby

--
Best regards,
Coiby

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