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Date: Wed, 7 Dec 2016 07:55:29 +0800
From: kbuild test robot <lkp@...el.com>
To: Michael Chan <michael.chan@...adcom.com>
Cc: kbuild-all@...org, davem@...emloft.net, netdev@...r.kernel.org,
selvin.xavier@...adcom.com, somnath.kotur@...adcom.com,
dledford@...hat.com, linux-rdma@...r.kernel.org
Subject: Re: [PATCH net-next 2/7] bnxt_en: Enable MSIX early in
bnxt_init_one().
Hi Michael,
[auto build test WARNING on net-next/master]
url: https://github.com/0day-ci/linux/commits/Michael-Chan/bnxt_en-Add-interface-to-support-RDMA-driver/20161207-053721
config: i386-randconfig-h1-12070631 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
# save the attached .config to linux build tree
make ARCH=i386
All warnings (new ones prefixed by >>):
drivers/net/ethernet/broadcom/bnxt/bnxt.c: In function 'bnxt_get_max_func_irqs':
>> drivers/net/ethernet/broadcom/bnxt/bnxt.c:4818:1: warning: control reaches end of non-void function [-Wreturn-type]
}
^
Cyclomatic Complexity 5 include/linux/compiler.h:__read_once_size
Cyclomatic Complexity 5 include/linux/compiler.h:__write_once_size
Cyclomatic Complexity 2 arch/x86/include/asm/bitops.h:set_bit
Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:__set_bit
Cyclomatic Complexity 2 arch/x86/include/asm/bitops.h:clear_bit
Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:__clear_bit
Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:test_and_set_bit
Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:test_and_clear_bit
Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:constant_test_bit
Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:variable_test_bit
Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:fls
Cyclomatic Complexity 1 include/linux/log2.h:__ilog2_u32
Cyclomatic Complexity 1 include/linux/list.h:INIT_LIST_HEAD
Cyclomatic Complexity 1 include/asm-generic/getorder.h:__get_order
Cyclomatic Complexity 1 include/linux/err.h:ERR_PTR
Cyclomatic Complexity 1 arch/x86/include/asm/irqflags.h:arch_irqs_disabled_flags
Cyclomatic Complexity 1 arch/x86/include/asm/processor.h:prefetch
Cyclomatic Complexity 1 arch/x86/include/asm/atomic.h:atomic_read
Cyclomatic Complexity 1 arch/x86/include/asm/atomic.h:atomic_set
Cyclomatic Complexity 1 arch/x86/include/asm/atomic.h:atomic_inc
Cyclomatic Complexity 1 arch/x86/include/asm/atomic.h:atomic_cmpxchg
Cyclomatic Complexity 5 arch/x86/include/asm/preempt.h:__preempt_count_add
Cyclomatic Complexity 1 include/linux/bottom_half.h:__local_bh_disable_ip
Cyclomatic Complexity 1 include/linux/bottom_half.h:local_bh_disable
Cyclomatic Complexity 1 include/linux/spinlock.h:spinlock_check
Cyclomatic Complexity 1 include/linux/spinlock.h:spin_lock
Cyclomatic Complexity 1 include/linux/spinlock.h:spin_lock_bh
Cyclomatic Complexity 1 include/linux/spinlock.h:spin_unlock
Cyclomatic Complexity 1 include/linux/spinlock.h:spin_unlock_bh
Cyclomatic Complexity 1 include/linux/workqueue.h:__init_work
Cyclomatic Complexity 1 arch/x86/include/asm/topology.h:numa_node_id
Cyclomatic Complexity 1 include/linux/topology.h:numa_mem_id
Cyclomatic Complexity 1 include/linux/gfp.h:gfp_zonelist
Cyclomatic Complexity 1 include/linux/gfp.h:node_zonelist
Cyclomatic Complexity 1 include/linux/kasan.h:kasan_kmalloc
Cyclomatic Complexity 28 include/linux/slab.h:kmalloc_index
Cyclomatic Complexity 1 include/linux/slab.h:kmem_cache_alloc_trace
Cyclomatic Complexity 1 include/linux/slab.h:kmalloc_order_trace
Cyclomatic Complexity 67 include/linux/slab.h:kmalloc_large
Cyclomatic Complexity 5 include/linux/slab.h:kmalloc
Cyclomatic Complexity 1 include/linux/slab.h:kzalloc
Cyclomatic Complexity 1 arch/x86/include/asm/io.h:readl
Cyclomatic Complexity 1 arch/x86/include/asm/io.h:writel
Cyclomatic Complexity 1 include/linux/device.h:dev_get_drvdata
Cyclomatic Complexity 1 include/linux/device.h:dev_set_drvdata
Cyclomatic Complexity 1 include/linux/pci.h:pci_is_bridge
Cyclomatic Complexity 1 include/linux/mm.h:lowmem_page_address
Cyclomatic Complexity 1 include/linux/mm.h:page_is_pfmemalloc
Cyclomatic Complexity 1 include/linux/pci.h:pci_disable_msix
Cyclomatic Complexity 1 include/linux/pci.h:pci_enable_msix_range
Cyclomatic Complexity 1 include/linux/pci.h:pci_get_drvdata
Cyclomatic Complexity 1 include/linux/pci.h:pci_set_drvdata
Cyclomatic Complexity 1 include/linux/dma-debug.h:debug_dma_map_page
Cyclomatic Complexity 1 include/linux/dma-debug.h:debug_dma_mapping_error
Cyclomatic Complexity 1 include/linux/dma-debug.h:debug_dma_unmap_page
Cyclomatic Complexity 1 include/linux/dma-debug.h:debug_dma_alloc_coherent
Cyclomatic Complexity 1 include/linux/dma-debug.h:debug_dma_free_coherent
Cyclomatic Complexity 1 include/linux/dma-debug.h:debug_dma_sync_single_for_cpu
Cyclomatic Complexity 1 include/linux/dma-debug.h:debug_dma_sync_single_for_device
Cyclomatic Complexity 1 include/linux/kmemcheck.h:kmemcheck_mark_initialized
Cyclomatic Complexity 1 include/linux/dma-mapping.h:valid_dma_direction
Cyclomatic Complexity 1 arch/x86/include/asm/dma-mapping.h:get_dma_ops
Cyclomatic Complexity 2 include/linux/dma-mapping.h:dma_mapping_error
Cyclomatic Complexity 1 include/linux/dynamic_queue_limits.h:dql_avail
Cyclomatic Complexity 1 include/linux/skbuff.h:skb_frag_size
Cyclomatic Complexity 1 include/linux/skbuff.h:skb_frag_size_set
Cyclomatic Complexity 1 include/linux/skbuff.h:__skb_set_hash
Cyclomatic Complexity 1 include/linux/skbuff.h:skb_set_hash
Cyclomatic Complexity 1 include/linux/skbuff.h:skb_end_pointer
Cyclomatic Complexity 1 include/linux/skbuff.h:skb_headlen
Cyclomatic Complexity 1 include/linux/skbuff.h:skb_reserve
Cyclomatic Complexity 1 include/linux/skbuff.h:skb_inner_transport_header
Cyclomatic Complexity 1 include/linux/skbuff.h:skb_inner_network_header
Cyclomatic Complexity 1 include/linux/skbuff.h:skb_transport_header
Cyclomatic Complexity 1 include/linux/skbuff.h:skb_transport_offset
Cyclomatic Complexity 1 include/linux/skbuff.h:skb_inner_network_header_len
Cyclomatic Complexity 1 include/linux/skbuff.h:skb_inner_network_offset
Cyclomatic Complexity 1 include/linux/skbuff.h:skb_frag_page
Cyclomatic Complexity 1 include/linux/skbuff.h:__skb_frag_set_page
Cyclomatic Complexity 1 include/linux/skbuff.h:skb_get_queue_mapping
Cyclomatic Complexity 1 include/linux/skbuff.h:skb_record_rx_queue
Cyclomatic Complexity 1 include/linux/skbuff.h:skb_is_gso
Cyclomatic Complexity 1 include/linux/skbuff.h:skb_checksum_none_assert
Cyclomatic Complexity 1 include/linux/netdevice.h:napi_disable_pending
Cyclomatic Complexity 3 include/linux/netdevice.h:napi_schedule_prep
Cyclomatic Complexity 1 include/linux/netdevice.h:netdev_get_num_tc
Cyclomatic Complexity 1 include/linux/netdevice.h:netdev_get_tx_queue
Cyclomatic Complexity 1 include/linux/netdevice.h:netdev_priv
Cyclomatic Complexity 1 include/linux/netdevice.h:netif_tx_stop_queue
Cyclomatic Complexity 1 include/linux/netdevice.h:netif_tx_queue_stopped
Cyclomatic Complexity 1 include/linux/netdevice.h:netif_running
Cyclomatic Complexity 1 include/linux/netdevice.h:netif_carrier_ok
Cyclomatic Complexity 1 include/linux/netdevice.h:__netif_tx_lock
Cyclomatic Complexity 1 include/linux/netdevice.h:__netif_tx_unlock
Cyclomatic Complexity 1 include/linux/netdevice.h:netif_addr_lock_bh
Cyclomatic Complexity 1 include/linux/netdevice.h:netif_addr_unlock_bh
Cyclomatic Complexity 1 include/linux/etherdevice.h:is_zero_ether_addr
Cyclomatic Complexity 1 include/linux/etherdevice.h:is_multicast_ether_addr
vim +4818 drivers/net/ethernet/broadcom/bnxt/bnxt.c
4802 if (bp->flags & BNXT_FLAG_USING_MSIX)
4803 bnxt_setup_msix(bp);
4804 else
4805 bnxt_setup_inta(bp);
4806
4807 rc = bnxt_set_real_num_queues(bp);
4808 return rc;
4809 }
4810
4811 static unsigned int bnxt_get_max_func_irqs(struct bnxt *bp)
4812 {
4813 if (BNXT_PF(bp))
4814 return bp->pf.max_irqs;
4815 #if defined(CONFIG_BNXT_SRIOV)
4816 return bp->vf.max_irqs;
4817 #endif
> 4818 }
4819
4820 void bnxt_set_max_func_irqs(struct bnxt *bp, unsigned int max_irqs)
4821 {
4822 if (BNXT_PF(bp))
4823 bp->pf.max_irqs = max_irqs;
4824 #if defined(CONFIG_BNXT_SRIOV)
4825 else
4826 bp->vf.max_irqs = max_irqs;
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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