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[next] soc: qcom: smd-rpm: Replace zero-length array with DECLARE_FLEX_ARRAY() helper

Message ID YzIvNIyPhWaG2DTr@work
State Accepted
Commit 1e9dd807c609d1598fa56a1d65074a6eeb89f705
Headers show
Series [next] soc: qcom: smd-rpm: Replace zero-length array with DECLARE_FLEX_ARRAY() helper | expand

Commit Message

Gustavo A. R. Silva Sept. 26, 2022, 11:01 p.m. UTC 
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(-)
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Patch

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);
 	};
 };