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From: Johannes Thumshirn <jth@kernel.org>
To: "Rodríguez Barbarin,
	José Javier" <JoseJavier.Rodriguez@duagon.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Cc: "jth@kernel.org" <jth@kernel.org>,
	"Sanjuán García, Jorge" <Jorge.SanjuanGarcia@duagon.com>
Subject: Re: [PATCH v2 1/3] mcb: Return actual parsed size when reading chameleon table
Date: Tue, 28 Mar 2023 21:16:00 +0200	[thread overview]
Message-ID: <29e2695e-a08a-2ffa-4323-c0286fcea9ef@kernel.org> (raw)
In-Reply-To: <20230328143441.78932-2-josejavier.rodriguez@duagon.com>



Am 28.03.23 um 16:34 schrieb Rodríguez Barbarin, José Javier:
> Function chameleon_parse_cells() returns the number of cells parsed

^ The function?

> @@ -239,12 +240,15 @@ int chameleon_parse_cells(struct mcb_bus *bus, phys_addr_t mapbase,
>   		num_cells++;
>   	}
>   
> +

Stray newline.
>   	if (num_cells == 0)
>   		num_cells = -EINVAL;
>   
> +	table_size = p - base;
> +	pr_debug("%d cell(s) found. Chameleon table size: 0x%04x bytes\n", num_cells, table_size);
>   	kfree(cb);
>   	kfree(header);
> -	return num_cells;
> +	return table_size;

Ahm doesn't that need to be:
             return num_cells < 0 ? num_cells : table_size;


Otherwise we loose the -EINVAL return here.

I could've fixed up the 1st two, but the last one is a functional change 
and I won't fix it
up when applying.

Byte,
     Johannes

  reply	other threads:[~2023-03-28 19:16 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-28 14:34 [PATCH v2 0/3] mcb-pci: fix memory overlapping on MCB devices Rodríguez Barbarin, José Javier
2023-03-28 14:34 ` [PATCH v2 1/3] mcb: Return actual parsed size when reading chameleon table Rodríguez Barbarin, José Javier
2023-03-28 19:16   ` Johannes Thumshirn [this message]
2023-03-28 14:35 ` [PATCH v2 2/3] mcb-pci: Reallocate memory region to avoid memory overlapping Rodríguez Barbarin, José Javier
2023-03-28 14:35 ` [PATCH v2 3/3] mcb-lpc: " Rodríguez Barbarin, José Javier

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