Re: [PATCH] bsg: fix sysfs link remove warning

From: Jens Axboe
Date: Wed Feb 08 2012 - 14:05:42 EST


On 02/08/2012 06:23 PM, Stanislaw Gruszka wrote:
> We create "bsg" link if q->kobj.sd is not NULL, so remove it only
> when the same condition is true.
>
> Fixes:
>
> WARNING: at fs/sysfs/inode.c:323 sysfs_hash_and_remove+0x2b/0x77()
> sysfs: can not remove 'bsg', no directory
> Call Trace:
> [<c0429683>] warn_slowpath_common+0x6a/0x7f
> [<c0537a68>] ? sysfs_hash_and_remove+0x2b/0x77
> [<c042970b>] warn_slowpath_fmt+0x2b/0x2f
> [<c0537a68>] sysfs_hash_and_remove+0x2b/0x77
> [<c053969a>] sysfs_remove_link+0x20/0x23
> [<c05d88f1>] bsg_unregister_queue+0x40/0x6d
> [<c0692263>] __scsi_remove_device+0x31/0x9d
> [<c069149f>] scsi_forget_host+0x41/0x52
> [<c0689fa9>] scsi_remove_host+0x71/0xe0
> [<f7de5945>] quiesce_and_remove_host+0x51/0x83 [usb_storage]
> [<f7de5a1e>] usb_stor_disconnect+0x18/0x22 [usb_storage]
> [<c06c29de>] usb_unbind_interface+0x4e/0x109
> [<c067a80f>] __device_release_driver+0x6b/0xa6
> [<c067a861>] device_release_driver+0x17/0x22
> [<c067a46a>] bus_remove_device+0xd6/0xe6
> [<c06785e2>] device_del+0xf2/0x137
> [<c06c101f>] usb_disable_device+0x94/0x1a0
>
> Signed-off-by: Stanislaw Gruszka <sgruszka@xxxxxxxxxx>

Thanks, applied.

--
Jens Axboe

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