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Message-ID: <112490dd-4490-44f4-abd2-07f7a519aa7b@embeddedor.com>
Date: Mon, 17 Mar 2025 15:10:38 +1030
From: "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To: Tzung-Bi Shih <tzungbi@...nel.org>,
 "Gustavo A. R. Silva" <gustavoars@...nel.org>
Cc: Jonathan Cameron <jic23@...nel.org>, Lars-Peter Clausen
 <lars@...afoo.de>, Benson Leung <bleung@...omium.org>,
 Guenter Roeck <groeck@...omium.org>, linux-iio@...r.kernel.org,
 chrome-platform@...ts.linux.dev, linux-kernel@...r.kernel.org,
 linux-hardening@...r.kernel.org
Subject: Re: [PATCH][next] iio: cros_ec: Avoid -Wflex-array-member-not-at-end
 warning



On 17/03/25 12:02, Tzung-Bi Shih wrote:
> On Mon, Mar 17, 2025 at 11:24:59AM +1030, Gustavo A. R. Silva wrote:
>>   static int cros_ec_get_host_cmd_version_mask(struct cros_ec_device *ec_dev,
>>   					     u16 cmd_offset, u16 cmd, u32 *mask)
>>   {
>> +	DEFINE_RAW_FLEX(struct cros_ec_command, buf, data,
>> +			sizeof(struct ec_response_get_cmd_versions));
> 
> max(sizeof(struct ec_params_get_cmd_versions),
>      sizeof(struct ec_response_get_cmd_versions))?

I considered that, but DEFINE_RAW_FLEX() complains about it due to the

_Static_assert(__builtin_constant_p(count),				\
		       "onstack flex array members require compile-time const count");

--
Gustavo


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