linux-kernel - [PATCH] scsi: lpfc: remove redundant null check on eqe

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Date:   Fri,  8 Sep 2017 09:02:01 +0100
From:   Colin King <colin.king@...onical.com>
To:     James Smart <james.smart@...adcom.com>,
        Dick Kennedy <dick.kennedy@...adcom.com>,
        "James E . J . Bottomley" <jejb@...ux.vnet.ibm.com>,
        "Martin K . Petersen" <martin.petersen@...cle.com>,
        linux-scsi@...r.kernel.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] scsi: lpfc: remove redundant null check on eqe

From: Colin Ian King <colin.king@...onical.com>

The pointer eqe is always non-null inside the while loop, so the
check to see if eqe is NULL is redudant and hence can be removed.

Detected by CoverityScan CID#1248693 ("Logically Dead Code")

Signed-off-by: Colin Ian King <colin.king@...onical.com>
---
 drivers/scsi/lpfc/lpfc_sli.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 8b119f87b51d..80036a9fae7f 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -13760,9 +13760,6 @@ lpfc_sli4_hba_intr_handler(int irq, void *dev_id)
 	 * Process all the event on FCP fast-path EQ
 	 */
 	while ((eqe = lpfc_sli4_eq_get(fpeq))) {
-		if (eqe == NULL)
-			break;
-
 		ccount += lpfc_sli4_hba_handle_eqe(phba, eqe, hba_eqidx);
 		if (!(++ecount % fpeq->entry_repost) ||
 		    ccount > LPFC_MAX_ISR_CQE)
-- 
2.14.1