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Message-ID: <YzId7dQGWxMyXHEU@work> Date: Mon, 26 Sep 2022 16:47:25 -0500 From: "Gustavo A. R. Silva" <gustavoars@...nel.org> To: Wolfram Sang <wsa@...nel.org>, Mika Westerberg <mika.westerberg@...ux.intel.com> Cc: linux-i2c@...r.kernel.org, linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org, "Gustavo A. R. Silva" <gustavoars@...nel.org>, linux-hardening@...r.kernel.org Subject: [PATCH][next] i2c: acpi: Replace zero-length array with DECLARE_FLEX_ARRAY() helper Zero-length arrays are deprecated and we are moving towards adopting C99 flexible-array members, instead. So, replace zero-length arrays declarations in anonymous union with the new DECLARE_FLEX_ARRAY() helper macro. This helper allows for flexible-array members in unions. Link: https://github.com/KSPP/linux/issues/193 Link: https://github.com/KSPP/linux/issues/218 Link: https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org> --- drivers/i2c/i2c-core-acpi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/i2c/i2c-core-acpi.c b/drivers/i2c/i2c-core-acpi.c index 08b561f0709d..da6568a20177 100644 --- a/drivers/i2c/i2c-core-acpi.c +++ b/drivers/i2c/i2c-core-acpi.c @@ -26,7 +26,7 @@ struct gsb_buffer { union { u16 wdata; u8 bdata; - u8 data[0]; + DECLARE_FLEX_ARRAY(u8, data); }; } __packed; -- 2.34.1
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