linux-kernel - Re: sdhci causing WARNING: at fs/sysfs/dir.c:455 sysfs_add

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Message-ID: <CAHa016cty=BUZ_ofksbRawLUfhyzYxwYtW+-iPR24vq_gEFCcA@mail.gmail.com>
Date:	Fri, 6 Jan 2012 02:12:25 +0200
From:	Numan DEMİRDÖĞEN <numand46@...il.com>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	Chris Ball <cjb@...top.org>, linux-mmc@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: sdhci causing WARNING: at fs/sysfs/dir.c:455 sysfs_add_one+0x9b/0xd0()

2012/1/4 Eric W. Biederman <ebiederm@...ssion.com>:
> Hopefully I have added some relevant Cc's.  The sdhci driver attempting
> to abuse sysfs and sysfs is refusing to put up with it.
>
> Can someone who understands the sdhci driver take a look at this?
>
> Eric

I forgot to add lspci output. Sorry for this. I added the relevant
device that is being pointed in warning.

lspci:
06:09.4 SD Host controller [0805]: Texas Instruments
PCI6411/6421/6611/6621/7411/7421/7611/7621 Secure Digital Controller
[104c:8034]
	Subsystem: Wistron Corp. Device [17c0:3007]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR+ FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 57 (1750ns min, 1000ns max), Cache Line Size: 32 bytes
	Interrupt: pin A routed to IRQ 22
	Region 0: Memory at b8009400 (32-bit, non-prefetchable) [size=256]
	Region 1: Memory at b8009000 (32-bit, non-prefetchable) [size=256]
	Region 2: Memory at b8007400 (32-bit, non-prefetchable) [size=256]
	Capabilities: [80] Power Management version 2
		Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold-)
		Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
	Kernel driver in use: sdhci-pci
	Kernel modules: sdhci-pci
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