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Date: Mon, 16 Apr 2018 11:37:05 -0700 From: Guenter Roeck <linux@...ck-us.net> To: ahsan_hussain@...tor.com Cc: jdelvare@...e.com, linux-hwmon@...r.kernel.org, linux-kernel@...r.kernel.org, noor_ahsan@...tor.com, cedric_hombourger@...tor.com Subject: Re: [PATCH 1/1] hwmon: (ina2xx) initialize mutex before locking On Mon, Apr 16, 2018 at 10:53:23PM +0500, ahsan_hussain@...tor.com wrote: > From: Ahsan Hussain <ahsan_hussain@...tor.com> > > Upstream commit 8d008c0c ("hwmon: (ina2xx) Make calibration register > value fixed"), makes ina2xx_set_shunt() call mutex_lock on an > un-initialized mutex. Initialize it prior so we don't get a NULL pointer > dereference error. > > Fixes: 8d008c0c ("hwmon: (ina2xx) Make calibration register value fixed") > > Signed-off-by: Ahsan Hussain <ahsan_hussain@...tor.com> Hmm ... the patch still does not apply ... having closer look .... It appears that you don't use the mainline kernel. Commit 8d008c0c is not upstream. It is in a stable release. Only which one ... ok, I see it in linux-4.9.y. The offending commit is also in 4.4.y, 4.14.y, and 4.15.y. The fix needs to be pulled from upstream into those stable releases. I'll send a request to Greg. Thanks, Guenter
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