* [PATCH][next] crypto: starfive - Avoid -Wflex-array-member-not-at-end warning
@ 2025-11-21 3:56 Gustavo A. R. Silva
0 siblings, 0 replies; only message in thread
From: Gustavo A. R. Silva @ 2025-11-21 3:56 UTC (permalink / raw)
To: Jia Jie Ho, William Qiu, Herbert Xu, David S. Miller
Cc: linux-crypto, linux-kernel, Gustavo A. R. Silva, linux-hardening
-Wflex-array-member-not-at-end was introduced in GCC-14, and we are
getting ready to enable it, globally.
Move the conflicting declaration to the end of the corresponding
structure. Notice that `struct ahash_request` is a flexible structure,
this is a structure that contains a flexible-array member.
With these changes fix the following warning:
drivers/crypto/starfive/jh7110-cryp.h:219:49: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
---
drivers/crypto/starfive/jh7110-cryp.h | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/crypto/starfive/jh7110-cryp.h b/drivers/crypto/starfive/jh7110-cryp.h
index 5ed4ba5da7f9..f85d6fb81ca8 100644
--- a/drivers/crypto/starfive/jh7110-cryp.h
+++ b/drivers/crypto/starfive/jh7110-cryp.h
@@ -216,13 +216,15 @@ struct starfive_cryp_request_ctx {
struct scatterlist *in_sg;
struct scatterlist *out_sg;
- struct ahash_request ahash_fbk_req;
size_t total;
unsigned int blksize;
unsigned int digsize;
unsigned long in_sg_len;
unsigned char *adata;
u8 rsa_data[STARFIVE_RSA_MAX_KEYSZ] __aligned(sizeof(u32));
+
+ /* Must be last as it ends in a flexible-array member. */
+ struct ahash_request ahash_fbk_req;
};
struct starfive_cryp_dev *starfive_cryp_find_dev(struct starfive_cryp_ctx *ctx);
--
2.43.0
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