linux-kernel - [PATCH 08/12] staging: ccree: avoid constant comparison

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Message-Id: <1499934004-28513-9-git-send-email-gilad@benyossef.com>
Date:   Thu, 13 Jul 2017 11:19:58 +0300
From:   Gilad Ben-Yossef <gilad@...yossef.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-crypto@...r.kernel.org,
        driverdev-devel@...uxdriverproject.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org
Cc:     Ofir Drang <ofir.drang@....com>
Subject: [PATCH 08/12] staging: ccree: avoid constant comparison

Re-write predicate to avoid constant comparison.

Signed-off-by: Gilad Ben-Yossef <gilad@...yossef.com>
---
 drivers/staging/ccree/ssi_aead.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/ccree/ssi_aead.c b/drivers/staging/ccree/ssi_aead.c
index dab4914..8a1c408 100644
--- a/drivers/staging/ccree/ssi_aead.c
+++ b/drivers/staging/ccree/ssi_aead.c
@@ -1573,7 +1573,7 @@ static int config_ccm_adata(struct aead_request *req)
 
 	/* taken from crypto/ccm.c */
 	/* 2 <= L <= 8, so 1 <= L' <= 7. */
-	if (2 > l || l > 8) {
+	if (l < 2 || l > 8) {
 		SSI_LOG_ERR("illegal iv value %X\n", req->iv[0]);
 		return -EINVAL;
 	}
-- 
2.1.4