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From: Matt Fleming <matt-mF/unelCI9GS6iBeEJttW/XRex20P6io@public.gmane.org>
To: "Compostella,
	Jeremy"
	<jeremy.compostella-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: "Elliott,
	Robert (Persistent Memory)"
	<elliott-ZPxbGqLxI0U@public.gmane.org>,
	Ingo Molnar <mingo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>,
	"H . Peter Anvin" <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>,
	Ard Biesheuvel
	<ard.biesheuvel-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
	"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>
Subject: Re: [PATCH 2/5] efibc: Fix excessive stack footprint warning
Date: Wed, 11 May 2016 13:43:38 +0100	[thread overview]
Message-ID: <20160511124338.GW2839@codeblueprint.co.uk> (raw)
In-Reply-To: <87r3dauwzt.fsf-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>

On Tue, 10 May, at 10:40:22AM, Jeremy Compostella wrote:
> Why not.  See patch as attachment.
> 
> Thanks,
> 
> Jérémy
> 

> From 8a9b07e2d7242fa8a36157f1025202a96c3c7c9a Mon Sep 17 00:00:00 2001
> From: Jeremy Compostella <jeremy.compostella-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
> Date: Tue, 10 May 2016 10:34:21 +0200
> Subject: [PATCH] efibc: report the EFI variable name in the error messages
> 
> Report the name of the EFI variable if the value is incorrect or if
> efibc_set_variable() fails to allocate the struct efivar_entry object.
> 
> Signed-off-by: Jeremy Compostella <jeremy.compostella-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
> ---
>  drivers/firmware/efi/efibc.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/firmware/efi/efibc.c b/drivers/firmware/efi/efibc.c
> index cb4f573..93d34a1 100644
> --- a/drivers/firmware/efi/efibc.c
> +++ b/drivers/firmware/efi/efibc.c
> @@ -37,13 +37,14 @@ static int efibc_set_variable(const char *name, const char *value)
>  	size_t size = (strlen(value) + 1) * sizeof(efi_char16_t);
>  
>  	if (size > sizeof(entry->var.Data)) {
> -		pr_err("value is too large");
> +		pr_err("value is too large for %s EFI variable", name);
>  		return -EINVAL;
>  	}

It'd be a good idea to print 'size' too.

>  
>  	entry = kmalloc(sizeof(*entry), GFP_KERNEL);
>  	if (!entry) {
> -		pr_err("failed to allocate efivar entry");
> +		pr_err("failed to allocate efivar entry for %s EFI variable",
> +		       name);
>  		return -ENOMEM;
>  	}

Aren't these pr_err() calls missing newline characters?

  parent reply	other threads:[~2016-05-11 12:43 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-06 21:39 [GIT PULL 0/5] EFI changes for v4.7 Matt Fleming
2016-05-06 21:39 ` [PATCH 1/5] efi/capsule: Make efi_capsule_pending() lockless Matt Fleming
2016-05-06 21:39 ` [PATCH 2/5] efibc: Fix excessive stack footprint warning Matt Fleming
2016-05-09 23:41   ` Elliott, Robert (Persistent Memory)
2016-05-10  8:40     ` Compostella, Jeremy
     [not found]       ` <87r3dauwzt.fsf-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2016-05-11 12:43         ` Matt Fleming [this message]
     [not found]           ` <20160511124338.GW2839-mF/unelCI9GS6iBeEJttW/XRex20P6io@public.gmane.org>
2016-05-11 15:16             ` Compostella, Jeremy
     [not found]               ` <8737povd4n.fsf-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2016-05-14 19:20                 ` Matt Fleming
2016-05-06 21:39 ` [PATCH 3/5] efi/capsule: Move 'capsule' to the stack in efi_capsule_supported() Matt Fleming
2016-05-06 21:39 ` [PATCH 4/5] efi: Merge boolean flag arguments Matt Fleming
     [not found] ` <1462570771-13324-1-git-send-email-matt-mF/unelCI9GS6iBeEJttW/XRex20P6io@public.gmane.org>
2016-05-06 21:39   ` [PATCH 5/5] efivarfs: Make efivarfs_file_ioctl static Matt Fleming

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