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Subject[PATCH] driver: fix lockdep with sysfs


[ 135.305026] QLogic Fibre Channel HBA Driver: 8.03.02-k1
[ 135.310509] qla2xxx 0000:cc:00.0: PCI INT A -> GSI 99 (level, low) -> IRQ 99
[ 135.326453] qla2xxx 0000:cc:00.0: MSI-X vector count: 31
[ 135.341911] qla2xxx 0000:cc:00.0: Found an ISP2532, irq 99, iobase 0xffffc9007285c000
[ 135.352495] alloc irq_desc for 146 on node 6
[ 135.356272] alloc kstat_irqs on node 6
[ 135.367624] qla2xxx 0000:cc:00.0: irq 146 for MSI/MSI-X
[ 135.372172] alloc irq_desc for 147 on node 6
[ 135.376164] alloc kstat_irqs on node 6
[ 135.391973] qla2xxx 0000:cc:00.0: irq 147 for MSI/MSI-X
[ 135.403591] qla2xxx 0000:cc:00.0: Configuring PCI space...
[ 135.413614] qla2xxx 0000:cc:00.0: setting latency timer to 64
[ 135.422740] qla2xxx 0000:cc:00.0: enabling Mem-Wr-Inval
[ 135.445429] qla2xxx 0000:cc:00.0: Configure NVRAM parameters...
[ 135.462077] qla2xxx 0000:cc:00.0: Verifying loaded RISC code...
[ 135.469113] qla2xxx 0000:cc:00.0: firmware: using built-in firmware ql2500_fw.bin
[ 135.482852] qla2xxx 0000:cc:00.0: FW: Loading via request-firmware...
[ 135.519818] qla2xxx 0000:cc:00.0: Allocated (64 KB) for FCE...
[ 135.525475] qla2xxx 0000:cc:00.0: Allocated (64 KB) for EFT...
[ 135.533345] qla2xxx 0000:cc:00.0: Allocated (1350 KB) for firmware dump...
[ 135.539819] scsi0 : qla2xxx
[ 135.554163] BUG: key ffff8840723fe310 not in .data!
[ 135.558600] ------------[ cut here ]------------
[ 135.562666] WARNING: at kernel/lockdep.c:2706 lockdep_init_map+0xf1/0x53c()
[ 135.574592] Hardware name: Sun Fire x4800
[ 135.576871] Modules linked in:
[ 135.592605] Pid: 14368, comm: work_for_cpu Not tainted 2.6.34-rc2-tip-yh-03489-gae232d1-dirty #687
[ 135.599585] Call Trace:
[ 135.612279] [<ffffffff81079c04>] warn_slowpath_common+0x7c/0x94
[ 135.618090] [<ffffffff81079c30>] warn_slowpath_null+0x14/0x16
[ 135.633496] [<ffffffff810a4715>] lockdep_init_map+0xf1/0x53c
[ 135.638220] [<ffffffff811869d0>] ? sysfs_new_dirent+0x8f/0x104
[ 135.654379] [<ffffffff81185ffc>] sysfs_add_file_mode+0x66/0xae
[ 135.659672] [<ffffffff813c7587>] ? kobject_put+0x47/0x4b
[ 135.674975] [<ffffffff81498b0f>] ? transport_add_class_device+0x0/0x39
[ 135.681399] [<ffffffff81186055>] sysfs_add_file+0x11/0x13
[ 135.695045] [<ffffffff81186114>] sysfs_create_file+0x2a/0x2c
[ 135.698206] [<ffffffff81493308>] device_create_file+0x19/0x1b
[ 135.714671] [<ffffffff81498501>] attribute_container_add_attrs+0x56/0x74
[ 135.731897] [<ffffffff81498541>] attribute_container_add_class_device+0x22/0x27
[ 135.738647] [<ffffffff81498b29>] transport_add_class_device+0x1a/0x39
[ 135.754319] [<ffffffff81498644>] attribute_container_device_trigger+0x7c/0xbc
[ 135.759012] [<ffffffff81498ab4>] transport_add_device+0x15/0x17
[ 135.777621] [<ffffffff814b169e>] scsi_sysfs_add_host+0x8c/0x9e
[ 135.791587] [<ffffffff814a79df>] scsi_add_host_with_dma+0x1c2/0x217
[ 135.798047] [<ffffffff81bb4599>] qla2x00_probe_one+0xbeb/0xe17
[ 135.813384] [<ffffffff810a5f6b>] ? trace_hardirqs_on+0xd/0xf
[ 135.819473] [<ffffffff81bfb004>] ? _raw_spin_unlock_irq+0x30/0x36
[ 135.834964] [<ffffffff81072699>] ? finish_task_switch+0x70/0xe4
[ 135.839030] [<ffffffff81bf82a4>] ? schedule+0x65f/0x72b
[ 135.854065] [<ffffffff81090c9e>] ? do_work_for_cpu+0x0/0x2a
[ 135.858979] [<ffffffff813ebaad>] local_pci_probe+0x17/0x1b
[ 135.874627] [<ffffffff81090cb6>] do_work_for_cpu+0x18/0x2a
[ 135.879828] [<ffffffff810947fc>] kthread+0x9a/0xa2
[ 135.893473] [<ffffffff810a5f33>] ? trace_hardirqs_on_caller+0x120/0x14b
[ 135.897853] [<ffffffff810349d4>] kernel_thread_helper+0x4/0x10
[ 135.915221] [<ffffffff81bfb33c>] ? restore_args+0x0/0x30
[ 135.920415] [<ffffffff81094762>] ? kthread+0x0/0xa2
[ 135.934108] [<ffffffff810349d0>] ? kernel_thread_helper+0x0/0x10
[ 135.938754] ---[ end trace 0f8a5c5b26192860 ]---
[ 135.955325] BUG: key ffff8840723fe348 not in .data!
[ 135.957618] BUG: key ffff8840723fe380 not in .data!
[ 135.972538] BUG: key ffff8840723fe3b8 not in .data!
[ 135.976839] BUG: key ffff8840723fe3f0 not in .data!
[ 135.992169] BUG: key ffff8840723fe428 not in .data!
[ 135.995598] BUG: key ffff8840723fe460 not in .data!
[ 136.001329] BUG: key ffff8840723fe498 not in .data!
[ 136.015597] BUG: key ffff8840723fe4d0 not in .data!
[ 136.019889] BUG: key ffff8840723fe508 not in .data!
[ 136.034086] BUG: key ffff8840723fe540 not in .data!
[ 136.036915] BUG: key ffff8840723fe578 not in .data!
[ 136.053066] BUG: key ffff8840723fe5b0 not in .data!
[ 136.058530] BUG: key ffff8840723fe5e8 not in .data!
[ 136.071615] BUG: key ffff8840723fe620 not in .data!
[ 136.076256] BUG: key ffff8840723fe658 not in .data!
[ 136.081129] BUG: key ffff8840723fe690 not in .data!

and

[ 132.409474] Emulex LightPulse Fibre Channel SCSI driver 8.3.10
[ 132.424746] Copyright(c) 2004-2009 Emulex. All rights reserved.
[ 132.430422] lpfc 0000:cd:00.0: PCI INT A -> GSI 101 (level, low) -> IRQ 101
[ 132.445731] lpfc 0000:cd:00.0: setting latency timer to 64
[ 132.450672] lpfc 0000:cd:00.0: enabling Mem-Wr-Inval
[ 132.469272] scsi0 : on PCI bus cd device 00 irq 101
[ 132.476490] BUG: key ffff881c7b86c310 not in .data!
[ 132.484102] ------------[ cut here ]------------
[ 132.486701] WARNING: at kernel/lockdep.c:2706 lockdep_init_map+0xf1/0x53c()
[ 132.504379] Hardware name: Sun Fire x4800
[ 132.507564] Modules linked in:
[ 132.509834] Pid: 7071, comm: work_for_cpu Not tainted 2.6.34-rc2-tip-yh-03489-gae232d1-dirty #687
[ 132.527149] Call Trace:
[ 132.541391] [<ffffffff81079c04>] warn_slowpath_common+0x7c/0x94
[ 132.544345] [<ffffffff81079c30>] warn_slowpath_null+0x14/0x16
[ 132.562047] [<ffffffff810a4715>] lockdep_init_map+0xf1/0x53c
[ 132.566212] [<ffffffff811869d0>] ? sysfs_new_dirent+0x8f/0x104
[ 132.581672] [<ffffffff81185ffc>] sysfs_add_file_mode+0x66/0xae
[ 132.585236] [<ffffffff813c7587>] ? kobject_put+0x47/0x4b
[ 132.603426] [<ffffffff81498b0f>] ? transport_add_class_device+0x0/0x39
[ 132.607886] [<ffffffff81186055>] sysfs_add_file+0x11/0x13
[ 132.623460] [<ffffffff81186114>] sysfs_create_file+0x2a/0x2c
[ 132.628466] [<ffffffff81493308>] device_create_file+0x19/0x1b
[ 132.643430] [<ffffffff81498501>] attribute_container_add_attrs+0x56/0x74
[ 132.648177] [<ffffffff81498541>] attribute_container_add_class_device+0x22/0x27
[ 132.665296] [<ffffffff81498b29>] transport_add_class_device+0x1a/0x39
[ 132.681485] [<ffffffff81498644>] attribute_container_device_trigger+0x7c/0xbc
[ 132.686590] [<ffffffff81498ab4>] transport_add_device+0x15/0x17
[ 132.702516] [<ffffffff814b169e>] scsi_sysfs_add_host+0x8c/0x9e
[ 132.708766] [<ffffffff814a79df>] scsi_add_host_with_dma+0x1c2/0x217
[ 132.724171] [<ffffffff8158b3f0>] lpfc_create_port+0x247/0x295
[ 132.740978] [<ffffffff8158b48e>] lpfc_create_shost+0x50/0x8e
[ 132.745700] [<ffffffff81bb4fe7>] lpfc_pci_probe_one_s3+0x21f/0x48b
[ 132.762194] [<ffffffff81090c9e>] ? do_work_for_cpu+0x0/0x2a
[ 132.768137] [<ffffffff81bb5797>] lpfc_pci_probe_one+0x66/0x6d
[ 132.781613] [<ffffffff813ebaad>] local_pci_probe+0x17/0x1b
[ 132.786593] [<ffffffff81090cb6>] do_work_for_cpu+0x18/0x2a
[ 132.801537] [<ffffffff810947fc>] kthread+0x9a/0xa2
[ 132.805921] [<ffffffff810a5f33>] ? trace_hardirqs_on_caller+0x120/0x14b
[ 132.822948] [<ffffffff810349d4>] kernel_thread_helper+0x4/0x10
[ 132.827937] [<ffffffff81bfb33c>] ? restore_args+0x0/0x30
[ 132.843328] [<ffffffff81094762>] ? kthread+0x0/0xa2
[ 132.845962] [<ffffffff810349d0>] ? kernel_thread_helper+0x0/0x10
[ 132.862076] ---[ end trace b22595c04061dc94 ]---
[ 132.863756] BUG: key ffff881c7b86c348 not in .data!
[ 132.881037] BUG: key ffff881c7b86c380 not in .data!
[ 132.884181] BUG: key ffff881c7b86c3b8 not in .data!
[ 132.888249] BUG: key ffff881c7b86c3f0 not in .data!
[ 132.905692] BUG: key ffff881c7b86c428 not in .data!
[ 132.908299] BUG: key ffff881c7b86c460 not in .data!
[ 132.922920] BUG: key ffff881c7b86c498 not in .data!
[ 132.928176] BUG: key ffff881c7b86c4d0 not in .data!
[ 132.942182] BUG: key ffff881c7b86c508 not in .data!
[ 132.946896] BUG: key ffff881c7b86c540 not in .data!
[ 132.960576] BUG: key ffff881c7b86c578 not in .data!
[ 132.964449] BUG: key ffff881c7b86c5b0 not in .data!
[ 132.967376] BUG: key ffff881c7b86c5e8 not in .data!
[ 132.983418] BUG: key ffff881c7b86c620 not in .data!

Signed-off-by: Yinghai Lu <yinghai@kernel.org>

---
drivers/base/attribute_container.c | 1 +
1 file changed, 1 insertion(+)

Index: linux-2.6/drivers/base/attribute_container.c
===================================================================
--- linux-2.6.orig/drivers/base/attribute_container.c
+++ linux-2.6/drivers/base/attribute_container.c
@@ -328,6 +328,7 @@ attribute_container_add_attrs(struct dev
return sysfs_create_group(&classdev->kobj, cont->grp);

for (i = 0; attrs[i]; i++) {
+ sysfs_attr_init(&attrs[i]->attr);
error = device_create_file(classdev, attrs[i]);
if (error)
return error;

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