From 798ac398179e832b5c2e392d7d17288421aa85f5 Mon Sep 17 00:00:00 2001 From: Tian Tao Date: Sat, 19 Oct 2019 08:41:37 +0800 Subject: crypto: ccree - fix comparison of unsigned expression warning This patch fixes the following warnings: drivers/crypto/ccree/cc_aead.c:630:5-12: WARNING: Unsigned expression compared with zero: seq_len > 0 Signed-off-by: Tian Tao v2: change hmac_setkey() return type to unsigned int to fix the warning. Acked-by: Gilad Ben-Yossef Signed-off-by: Herbert Xu --- drivers/crypto/ccree/cc_aead.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/crypto/ccree/cc_aead.c b/drivers/crypto/ccree/cc_aead.c index d3e8faa03f15..64d318dc0d47 100644 --- a/drivers/crypto/ccree/cc_aead.c +++ b/drivers/crypto/ccree/cc_aead.c @@ -293,7 +293,8 @@ static unsigned int xcbc_setkey(struct cc_hw_desc *desc, return 4; } -static int hmac_setkey(struct cc_hw_desc *desc, struct cc_aead_ctx *ctx) +static unsigned int hmac_setkey(struct cc_hw_desc *desc, + struct cc_aead_ctx *ctx) { unsigned int hmac_pad_const[2] = { HMAC_IPAD_CONST, HMAC_OPAD_CONST }; unsigned int digest_ofs = 0; -- cgit v1.2.3