linux-kernel - Re: [PATCH 1/5] platform/x86/intel/ifs: Call release

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Date: Mon, 29 Jan 2024 11:55:58 +0800
From: Pengfei Xu <pengfei.xu@...el.com>
To: Hans de Goede <hdegoede@...hat.com>
CC: Ashok Raj <ashok.raj@...el.com>, Ilpo Jarvinen
	<ilpo.jarvinen@...ux.intel.com>, <markgross@...nel.org>, Jithu Joseph
	<jithu.joseph@...el.com>, <rostedt@...dmis.org>, <tony.luck@...el.com>, LKML
	<linux-kernel@...r.kernel.org>, <platform-driver-x86@...r.kernel.org>,
	<patches@...ts.linux.dev>, <stable@...r.kernel.org>,
	<gregkh@...uxfoundation.org>, <heng.su@...el.com>
Subject: Re: [PATCH 1/5] platform/x86/intel/ifs: Call release_firmware() when
 handling errors.

On 2024-01-26 at 20:15:46 +0100, Hans de Goede wrote:
> Hi,
> 
> On 1/25/24 09:22, Ashok Raj wrote:
> > From: Jithu Joseph <jithu.joseph@...el.com>
> > 
> > Missing release_firmware() due to error handling blocked any future image
> > loading.
> > 
> > Fix the return code and release_fiwmare() to release the bad image.
> > 
> > Fixes: 25a76dbb36dd ("platform/x86/intel/ifs: Validate image size")
> > Reported-by: Pengfei Xu <pengfei.xu@...el.com>
> > Signed-off-by: Jithu Joseph <jithu.joseph@...el.com>
> > Signed-off-by: Ashok Raj <ashok.raj@...el.com>
> > Tested-by: Pengfei Xu <pengfei.xu@...el.com>
> > Reviewed-by: Tony Luck <tony.luck@...el.com>
> 
> Thank you for your patch/series, I've applied this patch
> (series) to my review-hans branch:
> https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git/log/?h=review-hans
> 
> Note it will show up in the pdx86 review-hans branch once I've
> pushed my local branch there, which might take a while.
> 
> I will include this patch in my next fixes pull-req to Linus
> for the current kernel development cycle.
> 

FYR.

[ CC stable@...r.kernel.org ]
Missed CC: Stable Tag.

This (follow-up) patch is now upstream into v6.7-rc1:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=25a76dbb36dd

Looks like linux-6.7.y needs the above fixed patch too.


Best Regards,
Thanks!


> Regards,
> 
> Hans
> 
> 
> 
> 
> > ---
> >  drivers/platform/x86/intel/ifs/load.c | 3 ++-
> >  1 file changed, 2 insertions(+), 1 deletion(-)
> > 
> > diff --git a/drivers/platform/x86/intel/ifs/load.c b/drivers/platform/x86/intel/ifs/load.c
> > index a1ee1a74fc3c..2cf3b4a8813f 100644
> > --- a/drivers/platform/x86/intel/ifs/load.c
> > +++ b/drivers/platform/x86/intel/ifs/load.c
> > @@ -399,7 +399,8 @@ int ifs_load_firmware(struct device *dev)
> >  	if (fw->size != expected_size) {
> >  		dev_err(dev, "File size mismatch (expected %u, actual %zu). Corrupted IFS image.\n",
> >  			expected_size, fw->size);
> > -		return -EINVAL;
> > +		ret = -EINVAL;
> > +		goto release;
> >  	}
> >  
> >  	ret = image_sanity_check(dev, (struct microcode_header_intel *)fw->data);
>