Messages in this thread |  | | From | Ricardo Ribalda Delgado <> | Date | Fri, 13 Feb 2015 11:11:43 +0100 | Subject | Re: [PATCH] led/led-class: Handle LEDs with the same name |
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Hello Bryan
This is a real error message:
[ 6.335055] ------------[ cut here ]------------ [ 6.335089] WARNING: CPU: 1 PID: 74 at fs/sysfs/dir.c:31 sysfs_warn_dup+0x68/0x80() [ 6.335100] sysfs: cannot create duplicate filename '/devices/pci0000:00/0000:00:05.0/0000:01:00.0/b0040000.leds/leds/red' [ 6.335108] Modules linked in: qt5023_video(+) qtec_testgen(+) qtec_white(+) qtec_xform(+) videobuf2_dma_sg gpio_xilinx qtec_mem videobuf2_vmalloc videobuf2_memops videobuf2_core qtec_cmosis(+) qtec_pcie 8250_fintek qt5023 spi_xilinx spi_bitbang [ 6.335174] CPU: 1 PID: 74 Comm: kworker/u4:1 Not tainted 3.19.0-qtec-standard+ #161 [ 6.335184] Hardware name: QTechnology QT5022/QT5022, BIOS PM_2.1.0.309 X64 09/27/2013 [ 6.335200] Workqueue: deferwq deferred_probe_work_func [ 6.335210] ffffffff81b4d24a ffff8800878fb8c8 ffffffff8183fb8a ffffffff81c6bff8 [ 6.335225] ffff8800878fb918 ffff8800878fb908 ffffffff8108555a 00000000000068cf [ 6.335238] ffff880151a29000 ffff880151251488 ffff8800861a5d98 ffff880151a5e800 [ 6.335253] Call Trace: [ 6.335278] [<ffffffff8183fb8a>] dump_stack+0x4c/0x65 [ 6.335298] [<ffffffff8108555a>] warn_slowpath_common+0x8a/0xc0 [ 6.335314] [<ffffffff810855d6>] warn_slowpath_fmt+0x46/0x50 [ 6.335332] [<ffffffff8120cb38>] ? kernfs_path+0x48/0x60 [ 6.335345] [<ffffffff81210258>] sysfs_warn_dup+0x68/0x80 [ 6.335359] [<ffffffff812102fd>] sysfs_create_dir_ns+0x8d/0xa0 [ 6.335375] [<ffffffff8137a738>] kobject_add_internal+0xb8/0x370 [ 6.335468] [<ffffffff8138226f>] ? string.isra.7+0x3f/0xf0 [ 6.335482] [<ffffffff8137abe3>] kobject_add+0x63/0xb0 [ 6.335499] [<ffffffff81844e59>] ? mutex_lock+0x29/0x50 [ 6.335517] [<ffffffff81452516>] device_add+0xf6/0x5f0 [ 6.335533] [<ffffffff81452c38>] device_create_groups_vargs+0xe8/0x100 [ 6.335547] [<ffffffff81452ce1>] device_create_with_groups+0x31/0x40 [ 6.335566] [<ffffffffa00771ef>] ? xgpio_dir_out+0xbf/0x110 [gpio_xilinx] [ 6.335583] [<ffffffff813a2f1a>] ? _gpiod_direction_output_raw+0x7a/0x240 [ 6.335599] [<ffffffff81650a30>] led_classdev_register+0x40/0x180 [ 6.335613] [<ffffffff81651ad5>] create_gpio_led+0xe5/0x1a0 [ 6.335627] [<ffffffff81651d5b>] gpio_led_probe+0x1cb/0x390 [ 6.335643] [<ffffffff814579fb>] platform_drv_probe+0x4b/0xc0 [ 6.335656] [<ffffffff81455913>] driver_probe_device+0xa3/0x410 [ 6.335670] [<ffffffff81455c80>] ? driver_probe_device+0x410/0x410 [ 6.335682] [<ffffffff81455cbb>] __device_attach+0x3b/0x40 [ 6.335695] [<ffffffff81453843>] bus_for_each_drv+0x63/0xa0 [ 6.335708] [<ffffffff81455808>] device_attach+0x98/0xb0 [ 6.335721] [<ffffffff81454c20>] bus_probe_device+0xa0/0xc0 [ 6.335734] [<ffffffff81455128>] deferred_probe_work_func+0x38/0xe0 [ 6.335750] [<ffffffff8109cdee>] process_one_work+0x14e/0x410 [ 6.335766] [<ffffffff8109d81b>] worker_thread+0x6b/0x4a0 [ 6.335781] [<ffffffff8109d7b0>] ? init_pwq.part.31+0x10/0x10 [ 6.335795] [<ffffffff810a21bf>] kthread+0xef/0x110 [ 6.335807] [<ffffffff810a0000>] ? alloc_pid+0x150/0x4a0 [ 6.335821] [<ffffffff810a20d0>] ? kthread_create_on_node+0x180/0x180 [ 6.335835] [<ffffffff818473ec>] ret_from_fork+0x7c/0xb0 [ 6.335849] [<ffffffff810a20d0>] ? kthread_create_on_node+0x180/0x180 [ 6.335860] ---[ end trace 4f3ef7818083fc76 ]---
-- Ricardo Ribalda
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