linux-kernel - drivers/net/ethernet/amazon/ena/ena_netdev.c:77 ena_tx

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Message-ID: <202411291414.wG3ruDV0-lkp@intel.com>
Date: Fri, 29 Nov 2024 14:17:47 +0800
From: kernel test robot <lkp@...el.com>
To: David Arinzon <darinzon@...zon.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	Paolo Abeni <pabeni@...hat.com>, Shay Agroskin <shayagr@...zon.com>
Subject: drivers/net/ethernet/amazon/ena/ena_netdev.c:77 ena_tx_timeout()
 warn: inconsistent indenting

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   7af08b57bcb9ebf78675c50069c54125c0a8b795
commit: 071271f39ce833a3534d1fbd47174d1bed6d9326 net: ena: Add more information on TX timeouts
date:   10 months ago
config: x86_64-randconfig-161-20241122 (https://download.01.org/0day-ci/archive/20241129/202411291414.wG3ruDV0-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202411291414.wG3ruDV0-lkp@intel.com/

smatch warnings:
drivers/net/ethernet/amazon/ena/ena_netdev.c:77 ena_tx_timeout() warn: inconsistent indenting

vim +77 drivers/net/ethernet/amazon/ena/ena_netdev.c

    47	
    48	static void ena_tx_timeout(struct net_device *dev, unsigned int txqueue)
    49	{
    50		enum ena_regs_reset_reason_types reset_reason = ENA_REGS_RESET_OS_NETDEV_WD;
    51		struct ena_adapter *adapter = netdev_priv(dev);
    52		unsigned int time_since_last_napi, threshold;
    53		struct ena_ring *tx_ring;
    54		int napi_scheduled;
    55	
    56		if (txqueue >= adapter->num_io_queues) {
    57			netdev_err(dev, "TX timeout on invalid queue %u\n", txqueue);
    58			goto schedule_reset;
    59		}
    60	
    61		threshold = jiffies_to_usecs(dev->watchdog_timeo);
    62		tx_ring = &adapter->tx_ring[txqueue];
    63	
    64		time_since_last_napi = jiffies_to_usecs(jiffies - tx_ring->tx_stats.last_napi_jiffies);
    65		napi_scheduled = !!(tx_ring->napi->state & NAPIF_STATE_SCHED);
    66	
    67		netdev_err(dev,
    68			   "TX q %d is paused for too long (threshold %u). Time since last napi %u usec. napi scheduled: %d\n",
    69			   txqueue,
    70			   threshold,
    71			   time_since_last_napi,
    72			   napi_scheduled);
    73	
    74		if (threshold < time_since_last_napi && napi_scheduled) {
    75			netdev_err(dev,
    76				   "napi handler hasn't been called for a long time but is scheduled\n");
  > 77				   reset_reason = ENA_REGS_RESET_SUSPECTED_POLL_STARVATION;
    78		}
    79	schedule_reset:
    80		/* Change the state of the device to trigger reset
    81		 * Check that we are not in the middle or a trigger already
    82		 */
    83		if (test_and_set_bit(ENA_FLAG_TRIGGER_RESET, &adapter->flags))
    84			return;
    85	
    86		ena_reset_device(adapter, reset_reason);
    87		ena_increase_stat(&adapter->dev_stats.tx_timeout, 1, &adapter->syncp);
    88	}
    89	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki