linux-kernel - [PATCH] scsi: eata: Remove unnecessary cpp

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Message-Id: <1507499266-10410-1-git-send-email-chris.gekas@gmail.com>
Date:   Sun,  8 Oct 2017 22:47:46 +0100
From:   Christos Gkekas <chris.gekas@...il.com>
To:     Dario Ballabio <ballabio_dario@....com>,
        "James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Christos Gkekas <chris.gekas@...il.com>
Subject: [PATCH] scsi: eata: Remove unnecessary cpp_index check

Variable spp->cpp_index is unsigned so checking whether it is less than
zero is redundant.

Signed-off-by: Christos Gkekas <chris.gekas@...il.com>
---
 drivers/scsi/eata.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/scsi/eata.c b/drivers/scsi/eata.c
index 6501c33..53a8fcd 100644
--- a/drivers/scsi/eata.c
+++ b/drivers/scsi/eata.c
@@ -2332,12 +2332,11 @@ static irqreturn_t ihdlr(struct Scsi_Host *shost)
 		printk
 		    ("%s: ihdlr, spp->eoc == 0, irq %d, reg 0x%x, count %d.\n",
 		     ha->board_name, irq, reg, ha->iocount);
-	if (spp->cpp_index < 0 || spp->cpp_index >= shost->can_queue)
+	if (spp->cpp_index >= shost->can_queue)
 		printk
 		    ("%s: ihdlr, bad spp->cpp_index %d, irq %d, reg 0x%x, count %d.\n",
 		     ha->board_name, spp->cpp_index, irq, reg, ha->iocount);
-	if (spp->eoc == 0 || spp->cpp_index < 0
-	    || spp->cpp_index >= shost->can_queue)
+	if (spp->eoc == 0 || spp->cpp_index >= shost->can_queue)
 		goto handled;
 
 	/* Find the mailbox to be serviced on this board */
-- 
2.7.4