CC: [email protected]
In-Reply-To: <[email protected]>
References: <[email protected]>
TO: Yannick Vignon <[email protected]>

Hi Yannick,

[FYI, it's a private test report for your RFC patch.]
[auto build test WARNING on net-next/master]

url:    
https://github.com/0day-ci/linux/commits/Yannick-Vignon/net-Improving-network-scheduling-latencies/20211211-035854
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 
e1b539bd73a76dc8a7bf82befe6eac4ae79c76b3
:::::: branch date: 14 hours ago
:::::: commit date: 14 hours ago
config: x86_64-randconfig-m001-20211210 
(https://download.01.org/0day-ci/archive/20211211/[email protected]/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <[email protected]>
Reported-by: Dan Carpenter <[email protected]>

New smatch warnings:
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:3591 
stmmac_request_irq_multi_msi() warn: 'dev->irq' not released on lines: 3591.

Old smatch warnings:
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:1736 init_dma_rx_desc_rings() 
warn: always true condition '(queue >= 0) => (0-u32max >= 0)'
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:1736 init_dma_rx_desc_rings() 
warn: always true condition '(queue >= 0) => (0-u32max >= 0)'
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:4744 stmmac_xdp_run_prog() 
error: (-2147483647) too low for ERR_PTR
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:4810 stmmac_dispatch_skb_zc() 
error: uninitialized symbol 'hash'.
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:4810 stmmac_dispatch_skb_zc() 
error: uninitialized symbol 'hash_type'.
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:5312 stmmac_rx() error: 
uninitialized symbol 'hash'.
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:5312 stmmac_rx() error: 
uninitialized symbol 'hash_type'.

vim +3591 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c

8532f613bc78b6 Ong Boon Leong 2021-03-26  3441  
8532f613bc78b6 Ong Boon Leong 2021-03-26  3442  static int 
stmmac_request_irq_multi_msi(struct net_device *dev)
8532f613bc78b6 Ong Boon Leong 2021-03-26  3443  {
8532f613bc78b6 Ong Boon Leong 2021-03-26  3444          struct stmmac_priv 
*priv = netdev_priv(dev);
3e6dc7b650250f Wong Vee Khee  2021-06-11  3445          enum request_irq_err 
irq_err;
8deec94c6040bb Ong Boon Leong 2021-04-01  3446          cpumask_t cpu_mask;
8532f613bc78b6 Ong Boon Leong 2021-03-26  3447          int irq_idx = 0;
8532f613bc78b6 Ong Boon Leong 2021-03-26  3448          char *int_name;
8532f613bc78b6 Ong Boon Leong 2021-03-26  3449          int ret;
8532f613bc78b6 Ong Boon Leong 2021-03-26  3450          int i;
8532f613bc78b6 Ong Boon Leong 2021-03-26  3451  
8532f613bc78b6 Ong Boon Leong 2021-03-26  3452          /* For common interrupt 
*/
8532f613bc78b6 Ong Boon Leong 2021-03-26  3453          int_name = 
priv->int_name_mac;
8532f613bc78b6 Ong Boon Leong 2021-03-26  3454          sprintf(int_name, 
"%s:%s", dev->name, "mac");
b5d79af3830aed Yannick Vignon 2021-12-10  3455          ret = 
request_threaded_irq(dev->irq, NULL, stmmac_interrupt,
b5d79af3830aed Yannick Vignon 2021-12-10  3456                            
IRQF_ONESHOT, int_name, dev);
8532f613bc78b6 Ong Boon Leong 2021-03-26  3457          if (unlikely(ret < 0)) {
8532f613bc78b6 Ong Boon Leong 2021-03-26  3458                  
netdev_err(priv->dev,
8532f613bc78b6 Ong Boon Leong 2021-03-26  3459                             "%s: 
alloc mac MSI %d (error: %d)\n",
8532f613bc78b6 Ong Boon Leong 2021-03-26  3460                             
__func__, dev->irq, ret);
8532f613bc78b6 Ong Boon Leong 2021-03-26  3461                  irq_err = 
REQ_IRQ_ERR_MAC;
8532f613bc78b6 Ong Boon Leong 2021-03-26  3462                  goto irq_error;
8532f613bc78b6 Ong Boon Leong 2021-03-26  3463          }
8532f613bc78b6 Ong Boon Leong 2021-03-26  3464  
8532f613bc78b6 Ong Boon Leong 2021-03-26  3465          /* Request the Wake IRQ 
in case of another line
8532f613bc78b6 Ong Boon Leong 2021-03-26  3466           * is used for WoL
8532f613bc78b6 Ong Boon Leong 2021-03-26  3467           */
8532f613bc78b6 Ong Boon Leong 2021-03-26  3468          if (priv->wol_irq > 0 
&& priv->wol_irq != dev->irq) {
8532f613bc78b6 Ong Boon Leong 2021-03-26  3469                  int_name = 
priv->int_name_wol;
8532f613bc78b6 Ong Boon Leong 2021-03-26  3470                  
sprintf(int_name, "%s:%s", dev->name, "wol");
b5d79af3830aed Yannick Vignon 2021-12-10  3471                  ret = 
request_threaded_irq(priv->wol_irq,
b5d79af3830aed Yannick Vignon 2021-12-10  3472                                  
  NULL, stmmac_mac_interrupt,
b5d79af3830aed Yannick Vignon 2021-12-10  3473                                  
  IRQF_ONESHOT, int_name, dev);
8532f613bc78b6 Ong Boon Leong 2021-03-26  3474                  if 
(unlikely(ret < 0)) {
8532f613bc78b6 Ong Boon Leong 2021-03-26  3475                          
netdev_err(priv->dev,
8532f613bc78b6 Ong Boon Leong 2021-03-26  3476                                  
   "%s: alloc wol MSI %d (error: %d)\n",
8532f613bc78b6 Ong Boon Leong 2021-03-26  3477                                  
   __func__, priv->wol_irq, ret);
8532f613bc78b6 Ong Boon Leong 2021-03-26  3478                          irq_err 
= REQ_IRQ_ERR_WOL;
8532f613bc78b6 Ong Boon Leong 2021-03-26  3479                          goto 
irq_error;
8532f613bc78b6 Ong Boon Leong 2021-03-26  3480                  }
8532f613bc78b6 Ong Boon Leong 2021-03-26  3481          }
8532f613bc78b6 Ong Boon Leong 2021-03-26  3482  
8532f613bc78b6 Ong Boon Leong 2021-03-26  3483          /* Request the LPI IRQ 
in case of another line
8532f613bc78b6 Ong Boon Leong 2021-03-26  3484           * is used for LPI
8532f613bc78b6 Ong Boon Leong 2021-03-26  3485           */
8532f613bc78b6 Ong Boon Leong 2021-03-26  3486          if (priv->lpi_irq > 0 
&& priv->lpi_irq != dev->irq) {
8532f613bc78b6 Ong Boon Leong 2021-03-26  3487                  int_name = 
priv->int_name_lpi;
8532f613bc78b6 Ong Boon Leong 2021-03-26  3488                  
sprintf(int_name, "%s:%s", dev->name, "lpi");
b5d79af3830aed Yannick Vignon 2021-12-10  3489                  ret = 
request_threaded_irq(priv->lpi_irq,
b5d79af3830aed Yannick Vignon 2021-12-10  3490                                  
  NULL, stmmac_mac_interrupt,
b5d79af3830aed Yannick Vignon 2021-12-10  3491                                  
  IRQF_ONESHOT, int_name, dev);
8532f613bc78b6 Ong Boon Leong 2021-03-26  3492                  if 
(unlikely(ret < 0)) {
8532f613bc78b6 Ong Boon Leong 2021-03-26  3493                          
netdev_err(priv->dev,
8532f613bc78b6 Ong Boon Leong 2021-03-26  3494                                  
   "%s: alloc lpi MSI %d (error: %d)\n",
8532f613bc78b6 Ong Boon Leong 2021-03-26  3495                                  
   __func__, priv->lpi_irq, ret);
8532f613bc78b6 Ong Boon Leong 2021-03-26  3496                          irq_err 
= REQ_IRQ_ERR_LPI;
8532f613bc78b6 Ong Boon Leong 2021-03-26  3497                          goto 
irq_error;
8532f613bc78b6 Ong Boon Leong 2021-03-26  3498                  }
8532f613bc78b6 Ong Boon Leong 2021-03-26  3499          }
8532f613bc78b6 Ong Boon Leong 2021-03-26  3500  
8532f613bc78b6 Ong Boon Leong 2021-03-26  3501          /* Request the Safety 
Feature Correctible Error line in
8532f613bc78b6 Ong Boon Leong 2021-03-26  3502           * case of another line 
is used
8532f613bc78b6 Ong Boon Leong 2021-03-26  3503           */
8532f613bc78b6 Ong Boon Leong 2021-03-26  3504          if (priv->sfty_ce_irq > 
0 && priv->sfty_ce_irq != dev->irq) {
8532f613bc78b6 Ong Boon Leong 2021-03-26  3505                  int_name = 
priv->int_name_sfty_ce;
8532f613bc78b6 Ong Boon Leong 2021-03-26  3506                  
sprintf(int_name, "%s:%s", dev->name, "safety-ce");
8532f613bc78b6 Ong Boon Leong 2021-03-26  3507                  ret = 
request_irq(priv->sfty_ce_irq,
8532f613bc78b6 Ong Boon Leong 2021-03-26  3508                                  
  stmmac_safety_interrupt,
8532f613bc78b6 Ong Boon Leong 2021-03-26  3509                                  
  0, int_name, dev);
8532f613bc78b6 Ong Boon Leong 2021-03-26  3510                  if 
(unlikely(ret < 0)) {
8532f613bc78b6 Ong Boon Leong 2021-03-26  3511                          
netdev_err(priv->dev,
8532f613bc78b6 Ong Boon Leong 2021-03-26  3512                                  
   "%s: alloc sfty ce MSI %d (error: %d)\n",
8532f613bc78b6 Ong Boon Leong 2021-03-26  3513                                  
   __func__, priv->sfty_ce_irq, ret);
8532f613bc78b6 Ong Boon Leong 2021-03-26  3514                          irq_err 
= REQ_IRQ_ERR_SFTY_CE;
8532f613bc78b6 Ong Boon Leong 2021-03-26  3515                          goto 
irq_error;
8532f613bc78b6 Ong Boon Leong 2021-03-26  3516                  }
8532f613bc78b6 Ong Boon Leong 2021-03-26  3517          }
8532f613bc78b6 Ong Boon Leong 2021-03-26  3518  
8532f613bc78b6 Ong Boon Leong 2021-03-26  3519          /* Request the Safety 
Feature Uncorrectible Error line in
8532f613bc78b6 Ong Boon Leong 2021-03-26  3520           * case of another line 
is used
8532f613bc78b6 Ong Boon Leong 2021-03-26  3521           */
8532f613bc78b6 Ong Boon Leong 2021-03-26  3522          if (priv->sfty_ue_irq > 
0 && priv->sfty_ue_irq != dev->irq) {
8532f613bc78b6 Ong Boon Leong 2021-03-26  3523                  int_name = 
priv->int_name_sfty_ue;
8532f613bc78b6 Ong Boon Leong 2021-03-26  3524                  
sprintf(int_name, "%s:%s", dev->name, "safety-ue");
8532f613bc78b6 Ong Boon Leong 2021-03-26  3525                  ret = 
request_irq(priv->sfty_ue_irq,
8532f613bc78b6 Ong Boon Leong 2021-03-26  3526                                  
  stmmac_safety_interrupt,
8532f613bc78b6 Ong Boon Leong 2021-03-26  3527                                  
  0, int_name, dev);
8532f613bc78b6 Ong Boon Leong 2021-03-26  3528                  if 
(unlikely(ret < 0)) {
8532f613bc78b6 Ong Boon Leong 2021-03-26  3529                          
netdev_err(priv->dev,
8532f613bc78b6 Ong Boon Leong 2021-03-26  3530                                  
   "%s: alloc sfty ue MSI %d (error: %d)\n",
8532f613bc78b6 Ong Boon Leong 2021-03-26  3531                                  
   __func__, priv->sfty_ue_irq, ret);
8532f613bc78b6 Ong Boon Leong 2021-03-26  3532                          irq_err 
= REQ_IRQ_ERR_SFTY_UE;
8532f613bc78b6 Ong Boon Leong 2021-03-26  3533                          goto 
irq_error;
8532f613bc78b6 Ong Boon Leong 2021-03-26  3534                  }
8532f613bc78b6 Ong Boon Leong 2021-03-26  3535          }
8532f613bc78b6 Ong Boon Leong 2021-03-26  3536  
8532f613bc78b6 Ong Boon Leong 2021-03-26  3537          /* Request Rx MSI irq */
8532f613bc78b6 Ong Boon Leong 2021-03-26  3538          for (i = 0; i < 
priv->plat->rx_queues_to_use; i++) {
d68c2e1d19c540 Arnd Bergmann  2021-09-27  3539                  if (i >= 
MTL_MAX_RX_QUEUES)
3e0d5699a97571 Arnd Bergmann  2021-09-27  3540                          break;
8532f613bc78b6 Ong Boon Leong 2021-03-26  3541                  if 
(priv->rx_irq[i] == 0)
8532f613bc78b6 Ong Boon Leong 2021-03-26  3542                          
continue;
8532f613bc78b6 Ong Boon Leong 2021-03-26  3543  
8532f613bc78b6 Ong Boon Leong 2021-03-26  3544                  int_name = 
priv->int_name_rx_irq[i];
8532f613bc78b6 Ong Boon Leong 2021-03-26  3545                  
sprintf(int_name, "%s:%s-%d", dev->name, "rx", i);
8532f613bc78b6 Ong Boon Leong 2021-03-26  3546                  ret = 
request_irq(priv->rx_irq[i],
8532f613bc78b6 Ong Boon Leong 2021-03-26  3547                                  
  stmmac_msi_intr_rx,
8532f613bc78b6 Ong Boon Leong 2021-03-26  3548                                  
  0, int_name, &priv->rx_queue[i]);
8532f613bc78b6 Ong Boon Leong 2021-03-26  3549                  if 
(unlikely(ret < 0)) {
8532f613bc78b6 Ong Boon Leong 2021-03-26  3550                          
netdev_err(priv->dev,
8532f613bc78b6 Ong Boon Leong 2021-03-26  3551                                  
   "%s: alloc rx-%d  MSI %d (error: %d)\n",
8532f613bc78b6 Ong Boon Leong 2021-03-26  3552                                  
   __func__, i, priv->rx_irq[i], ret);
8532f613bc78b6 Ong Boon Leong 2021-03-26  3553                          irq_err 
= REQ_IRQ_ERR_RX;
8532f613bc78b6 Ong Boon Leong 2021-03-26  3554                          irq_idx 
= i;
8532f613bc78b6 Ong Boon Leong 2021-03-26  3555                          goto 
irq_error;
8532f613bc78b6 Ong Boon Leong 2021-03-26  3556                  }
8deec94c6040bb Ong Boon Leong 2021-04-01  3557                  
cpumask_clear(&cpu_mask);
8deec94c6040bb Ong Boon Leong 2021-04-01  3558                  
cpumask_set_cpu(i % num_online_cpus(), &cpu_mask);
8deec94c6040bb Ong Boon Leong 2021-04-01  3559                  
irq_set_affinity_hint(priv->rx_irq[i], &cpu_mask);
8532f613bc78b6 Ong Boon Leong 2021-03-26  3560          }
8532f613bc78b6 Ong Boon Leong 2021-03-26  3561  
8532f613bc78b6 Ong Boon Leong 2021-03-26  3562          /* Request Tx MSI irq */
8532f613bc78b6 Ong Boon Leong 2021-03-26  3563          for (i = 0; i < 
priv->plat->tx_queues_to_use; i++) {
d68c2e1d19c540 Arnd Bergmann  2021-09-27  3564                  if (i >= 
MTL_MAX_TX_QUEUES)
3e0d5699a97571 Arnd Bergmann  2021-09-27  3565                          break;
8532f613bc78b6 Ong Boon Leong 2021-03-26  3566                  if 
(priv->tx_irq[i] == 0)
8532f613bc78b6 Ong Boon Leong 2021-03-26  3567                          
continue;
8532f613bc78b6 Ong Boon Leong 2021-03-26  3568  
8532f613bc78b6 Ong Boon Leong 2021-03-26  3569                  int_name = 
priv->int_name_tx_irq[i];
8532f613bc78b6 Ong Boon Leong 2021-03-26  3570                  
sprintf(int_name, "%s:%s-%d", dev->name, "tx", i);
8532f613bc78b6 Ong Boon Leong 2021-03-26  3571                  ret = 
request_irq(priv->tx_irq[i],
8532f613bc78b6 Ong Boon Leong 2021-03-26  3572                                  
  stmmac_msi_intr_tx,
8532f613bc78b6 Ong Boon Leong 2021-03-26  3573                                  
  0, int_name, &priv->tx_queue[i]);
8532f613bc78b6 Ong Boon Leong 2021-03-26  3574                  if 
(unlikely(ret < 0)) {
8532f613bc78b6 Ong Boon Leong 2021-03-26  3575                          
netdev_err(priv->dev,
8532f613bc78b6 Ong Boon Leong 2021-03-26  3576                                  
   "%s: alloc tx-%d  MSI %d (error: %d)\n",
8532f613bc78b6 Ong Boon Leong 2021-03-26  3577                                  
   __func__, i, priv->tx_irq[i], ret);
8532f613bc78b6 Ong Boon Leong 2021-03-26  3578                          irq_err 
= REQ_IRQ_ERR_TX;
8532f613bc78b6 Ong Boon Leong 2021-03-26  3579                          irq_idx 
= i;
8532f613bc78b6 Ong Boon Leong 2021-03-26  3580                          goto 
irq_error;
8532f613bc78b6 Ong Boon Leong 2021-03-26  3581                  }
8deec94c6040bb Ong Boon Leong 2021-04-01  3582                  
cpumask_clear(&cpu_mask);
8deec94c6040bb Ong Boon Leong 2021-04-01  3583                  
cpumask_set_cpu(i % num_online_cpus(), &cpu_mask);
8deec94c6040bb Ong Boon Leong 2021-04-01  3584                  
irq_set_affinity_hint(priv->tx_irq[i], &cpu_mask);
8532f613bc78b6 Ong Boon Leong 2021-03-26  3585          }
8532f613bc78b6 Ong Boon Leong 2021-03-26  3586  
8532f613bc78b6 Ong Boon Leong 2021-03-26  3587          return 0;
8532f613bc78b6 Ong Boon Leong 2021-03-26  3588  
8532f613bc78b6 Ong Boon Leong 2021-03-26  3589  irq_error:
8532f613bc78b6 Ong Boon Leong 2021-03-26  3590          stmmac_free_irq(dev, 
irq_err, irq_idx);
8532f613bc78b6 Ong Boon Leong 2021-03-26 @3591          return ret;
8532f613bc78b6 Ong Boon Leong 2021-03-26  3592  }
8532f613bc78b6 Ong Boon Leong 2021-03-26  3593  

---
0-DAY CI Kernel Test Service, Intel Corporation
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