linux-kernel - [PATCH] scsi: megaraid: megaraid

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Date:   Mon,  9 Oct 2023 18:10:16 +0300
From:   Artem Chernyshev <artem.chernyshev@...-soft.ru>
To:     "James E . J . Bottomley" <jejb@...ux.ibm.com>,
        Kashyap Desai <kashyap.desai@...adcom.com>
Cc:     Artem Chernyshev <artem.chernyshev@...-soft.ru>,
        Sumit Saxena <sumit.saxena@...adcom.com>,
        Shivasharan S <shivasharan.srikanteshwara@...adcom.com>,
        "Martin K . Petersen" <martin.petersen@...cle.com>,
        megaraidlinux.pdl@...adcom.com, linux-scsi@...r.kernel.org,
        linux-kernel@...r.kernel.org, lvc-project@...uxtesting.org
Subject: [PATCH] scsi: megaraid: megaraid_sas: Remove unnecessary checks

Since divisor checked before function call this if-statement
is never true

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Signed-off-by: Artem Chernyshev <artem.chernyshev@...-soft.ru>
---
 drivers/scsi/megaraid/megaraid_sas_fp.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/scsi/megaraid/megaraid_sas_fp.c b/drivers/scsi/megaraid/megaraid_sas_fp.c
index b8b388a4e28f..4cfa98ce3923 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fp.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fp.c
@@ -72,8 +72,6 @@ u32 mega_mod64(u64 dividend, u32 divisor)
 	u64 d;
 	u32 remainder;
 
-	if (!divisor)
-		printk(KERN_ERR "megasas : DIVISOR is zero, in div fn\n");
 	d = dividend;
 	remainder = do_div(d, divisor);
 	return remainder;
@@ -90,9 +88,6 @@ static u64 mega_div64_32(uint64_t dividend, uint32_t divisor)
 {
 	u64 d = dividend;
 
-	if (!divisor)
-		printk(KERN_ERR "megasas : DIVISOR is zero in mod fn\n");
-
 	do_div(d, divisor);
 
 	return d;
-- 
2.37.3