linux-kernel - Re: [PATCH] w1: Fix number of bytes in error message

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Date: Mon, 27 May 2024 15:29:43 +0200
From: Thorsten Blum <thorsten.blum@...lux.com>
To: Krzysztof Kozlowski <krzk@...nel.org>
Cc: linux-kernel@...r.kernel.org
Subject: Re: [PATCH] w1: Fix number of bytes in error message

On 27. May 2024, at 13:51, Krzysztof Kozlowski <krzk@...nel.org> wrote:
> On 13/05/2024 17:43, Thorsten Blum wrote:
>> Fix the number of bytes that failed to be allocated for a new w1 device.
>> 
>> Signed-off-by: Thorsten Blum <thorsten.blum@...lux.com>
>> ---
>> drivers/w1/w1_int.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>> 
>> diff --git a/drivers/w1/w1_int.c b/drivers/w1/w1_int.c
>> index 3a71c5eb2f83..677e7167806c 100644
>> --- a/drivers/w1/w1_int.c
>> +++ b/drivers/w1/w1_int.c
>> @@ -34,7 +34,7 @@ static struct w1_master *w1_alloc_dev(u32 id, int slave_count, int slave_ttl,
>> dev = kzalloc(sizeof(struct w1_master) + sizeof(struct w1_bus_master), GFP_KERNEL);
>> if (!dev) {
>> pr_err("Failed to allocate %zd bytes for new w1 device.\n",
>> - sizeof(struct w1_master));
>> + sizeof(struct w1_master) + sizeof(struct w1_bus_master));
> 
> No, instead error message should be dropped. Core handles printing
> memory allocation failures.

Ok, I'll submit a v2 shortly.