| Message ID | YzId7dQGWxMyXHEU@work (mailing list archive) |
|---|---|
| State | Handled Elsewhere, archived |
| Headers | show |
| Series | [next] i2c: acpi: Replace zero-length array with DECLARE_FLEX_ARRAY() helper | expand |
On Mon, Sep 26, 2022 at 04:47:25PM -0500, Gustavo A. R. Silva wrote: > 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@kernel.org> Reviewed-by: Kees Cook <keescook@chromium.org>
On Mon, Sep 26, 2022 at 04:47:25PM -0500, Gustavo A. R. Silva wrote: > 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@kernel.org> Applied to for-next, thanks!
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;
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@kernel.org> --- drivers/i2c/i2c-core-acpi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)