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Message-ID: <2024051034-surfacing-length-eae9@gregkh>
Date: Fri, 10 May 2024 09:17:05 +0100
From: Greg KH <gregkh@...uxfoundation.org>
To: Jay Buddhabhatti <jay.buddhabhatti@....com>
Cc: michal.simek@....com, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 RESEND] drivers: soc: xilinx: check return status of
 get_api_version()



On Wed, May 08, 2024 at 09:36:29PM -0700, Jay Buddhabhatti wrote:
> Currently return status is not getting checked for get_api_version
> and because of that for x86 arch we are getting below smatch error.
> 
>     CC      drivers/soc/xilinx/zynqmp_power.o
> drivers/soc/xilinx/zynqmp_power.c: In function 'zynqmp_pm_probe':
> drivers/soc/xilinx/zynqmp_power.c:295:12: warning: 'pm_api_version' is
> used uninitialized [-Wuninitialized]
>     295 |         if (pm_api_version < ZYNQMP_PM_VERSION)
>         |            ^
>     CHECK   drivers/soc/xilinx/zynqmp_power.c
> drivers/soc/xilinx/zynqmp_power.c:295 zynqmp_pm_probe() error:
> uninitialized symbol 'pm_api_version'.
> 
> So, check return status of pm_get_api_version and return error in case
> of failure to avoid checking uninitialized pm_api_version variable.
> 
> Fixes: b9b3a8be28b3 ("firmware: xilinx: Remove eemi ops for get_api_version")
> Signed-off-by: Jay Buddhabhatti <jay.buddhabhatti@....com>
> ---
> V1: https://lore.kernel.org/lkml/20240424063118.23200-1-jay.buddhabhatti@amd.com/
> V1->V2: Removed AMD copyright
> ---

Why is this a RESEND?

Also my bot had issues:

--------

Hi,

This is the friendly patch-bot of Greg Kroah-Hartman.  You have sent him
a patch that has triggered this response.  He used to manually respond
to these common problems, but in order to save his sanity (he kept
writing the same thing over and over, yet to different people), I was
created.  Hopefully you will not take offence and will fix the problem
in your patch and resubmit it so that it can be accepted into the Linux
kernel tree.

You are receiving this message because of the following common error(s)
as indicated below:

- You have marked a patch with a "Fixes:" tag for a commit that is in an
  older released kernel, yet you do not have a cc: stable line in the
  signed-off-by area at all, which means that the patch will not be
  applied to any older kernel releases.  To properly fix this, please
  follow the documented rules in the
  Documentation/process/stable-kernel-rules.rst file for how to resolve
  this.

If you wish to discuss this problem further, or you have questions about
how to resolve this issue, please feel free to respond to this email and
Greg will reply once he has dug out from the pending patches received
from other developers.

thanks,

greg k-h's patch email bot

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