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From: Takashi Iwai <tiwai@suse.de>
To: Kalle Valo <kvalo@codeaurora.org>
Cc: linux-wireless@vger.kernel.org, netdev@vger.kernel.org,
	Luca Coelho <luciano.coelho@intel.com>
Subject: Re: [PATCH 1/2] iwlwifi: dbg: Don't touch the tlv data
Date: Tue, 12 Jan 2021 17:02:15 +0100	[thread overview]
Message-ID: <s5h5z42qh2w.wl-tiwai@suse.de> (raw)
In-Reply-To: <87turmrw9j.fsf@codeaurora.org>

On Tue, 12 Jan 2021 16:48:56 +0100,
Kalle Valo wrote:
> 
> Takashi Iwai <tiwai@suse.de> writes:
> 
> > The commit ba8f6f4ae254 ("iwlwifi: dbg: add dumping special device
> > memory") added a termination of name string just to be sure, and this
> > seems causing a regression, a GPF triggered at firmware loading.
> > Basically we shouldn't modify the firmware data that may be provided
> > as read-only.
> >
> > This patch drops the code that caused the regression and keep the tlv
> > data as is.
> >
> > Fixes: ba8f6f4ae254 ("iwlwifi: dbg: add dumping special device memory")
> > BugLink: https://bugzilla.suse.com/show_bug.cgi?id=1180344
> > BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=210733
> > Signed-off-by: Takashi Iwai <tiwai@suse.de>
> 
> I'm planning to queue this to v5.11. Should I add cc stable?

Yes, it hits 5.10.y.

> Luca, can I have your ack?

It'd be great if this fix goes in quickly.


BTW, I thought network people don't want to have Cc-to-stable in the
patch, so I didn't put it by myself.  Is this rule still valid?


thanks,

Takashi

  reply	other threads:[~2021-01-12 16:03 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-12 13:24 [PATCH 0/2] iwlwifi: Fix a crash at loading Takashi Iwai
2021-01-12 13:24 ` [PATCH 1/2] iwlwifi: dbg: Don't touch the tlv data Takashi Iwai
2021-01-12 15:48   ` Kalle Valo
2021-01-12 16:02     ` Takashi Iwai [this message]
2021-01-12 17:08       ` Coelho, Luciano
2021-01-14  7:14         ` Kalle Valo
2021-01-14 16:57   ` [1/2] " Kalle Valo
2021-01-12 13:24 ` [PATCH 2/2] iwlwifi: dbg: Mark ucode tlv data as const Takashi Iwai
2021-01-12 15:50   ` Kalle Valo
2021-01-12 16:05     ` Takashi Iwai
2021-01-12 17:13       ` Coelho, Luciano
2021-01-13  6:50         ` Kalle Valo
2021-02-10 11:35   ` Luca Coelho

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