* [PATCH][next] soc: qcom: smd-rpm: Replace zero-length array with DECLARE_FLEX_ARRAY() helper
@ 2022-09-26 23:01 Gustavo A. R. Silva
2022-09-27 2:30 ` Kees Cook
2022-10-18 3:05 ` Bjorn Andersson
0 siblings, 2 replies; 3+ messages in thread
From: Gustavo A. R. Silva @ 2022-09-26 23:01 UTC (permalink / raw)
To: Andy Gross, Bjorn Andersson, Konrad Dybcio
Cc: linux-arm-msm, linux-kernel, Gustavo A. R. Silva, linux-hardening
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/224
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
---
drivers/soc/qcom/smd-rpm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/soc/qcom/smd-rpm.c b/drivers/soc/qcom/smd-rpm.c
index 413f9f4ae9cd..125cb456a5dc 100644
--- a/drivers/soc/qcom/smd-rpm.c
+++ b/drivers/soc/qcom/smd-rpm.c
@@ -75,7 +75,7 @@ struct qcom_rpm_message {
__le32 length;
union {
__le32 msg_id;
- u8 message[0];
+ DECLARE_FLEX_ARRAY(u8, message);
};
};
--
2.34.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH][next] soc: qcom: smd-rpm: Replace zero-length array with DECLARE_FLEX_ARRAY() helper
2022-09-26 23:01 [PATCH][next] soc: qcom: smd-rpm: Replace zero-length array with DECLARE_FLEX_ARRAY() helper Gustavo A. R. Silva
@ 2022-09-27 2:30 ` Kees Cook
2022-10-18 3:05 ` Bjorn Andersson
1 sibling, 0 replies; 3+ messages in thread
From: Kees Cook @ 2022-09-27 2:30 UTC (permalink / raw)
To: Gustavo A. R. Silva
Cc: Andy Gross, Bjorn Andersson, Konrad Dybcio, linux-arm-msm,
linux-kernel, linux-hardening
On Mon, Sep 26, 2022 at 06:01:08PM -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/224
> Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
--
Kees Cook
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH][next] soc: qcom: smd-rpm: Replace zero-length array with DECLARE_FLEX_ARRAY() helper
2022-09-26 23:01 [PATCH][next] soc: qcom: smd-rpm: Replace zero-length array with DECLARE_FLEX_ARRAY() helper Gustavo A. R. Silva
2022-09-27 2:30 ` Kees Cook
@ 2022-10-18 3:05 ` Bjorn Andersson
1 sibling, 0 replies; 3+ messages in thread
From: Bjorn Andersson @ 2022-10-18 3:05 UTC (permalink / raw)
To: agross, gustavoars, Konrad Dybcio
Cc: linux-arm-msm, linux-hardening, linux-kernel
On Mon, 26 Sep 2022 18:01:08 -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.
>
> [...]
Applied, thanks!
[1/1] soc: qcom: smd-rpm: Replace zero-length array with DECLARE_FLEX_ARRAY() helper
commit: 1e9dd807c609d1598fa56a1d65074a6eeb89f705
Best regards,
--
Bjorn Andersson <andersson@kernel.org>
^ permalink raw reply [flat|nested] 3+ messages in thread
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