Function sha512_arm_final() is only used in this file, therefore should be static ../arch/arm/crypto/sha512-glue.c:40:5: warning: no previous prototype for ‘sha512_arm_final’ [-Wmissing-prototypes] int sha512_arm_final(struct shash_desc *desc, u8 *out) ^~~~~~~~~~~~~~~~ Signed-off-by: Philippe Mazenauer <philippe.mazenauer@xxxxxxxxxx> --- arch/arm/crypto/sha512-glue.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/crypto/sha512-glue.c b/arch/arm/crypto/sha512-glue.c index 86540cd4a6fa..23fc3813a91b 100644 --- a/arch/arm/crypto/sha512-glue.c +++ b/arch/arm/crypto/sha512-glue.c @@ -37,7 +37,7 @@ int sha512_arm_update(struct shash_desc *desc, const u8 *data, (sha512_block_fn *)sha512_block_data_order); } -int sha512_arm_final(struct shash_desc *desc, u8 *out) +static int sha512_arm_final(struct shash_desc *desc, u8 *out) { sha512_base_do_finalize(desc, (sha512_block_fn *)sha512_block_data_order); -- 2.17.1