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soc: qcom: smd-rpm: 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/224
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/YzIvNIyPhWaG2DTr@work
This commit is contained in:
Gustavo A. R. Silva 2022-09-26 18:01:08 -05:00 committed by Bjorn Andersson
parent 5faeae4eac
commit 1e9dd807c6
1 changed files with 1 additions and 1 deletions
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2
drivers/soc/qcom/smd-rpm.c
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@ -75,7 +75,7 @@ struct qcom_rpm_message {
__le32 length; __le32 length;
union { union {
__le32 msg_id; __le32 msg_id;
u8 message[0]; DECLARE_FLEX_ARRAY(u8, message);
}; };
}; };