linux-kernel - [PATCH] cxlflash: remove an unnecessary NULL check

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Date:   Fri, 5 Jun 2020 14:02:58 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     "Manoj N. Kumar" <manoj@...ux.ibm.com>,
        "Matthew R. Ochs" <mrochs@...ux.vnet.ibm.com>
Cc:     Uma Krishnan <ukrishn@...ux.ibm.com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org
Subject: [PATCH] cxlflash: remove an unnecessary NULL check

The "cmd" pointer was already dereferenced a couple lines earlier so
this NULL check is too late.  Fortunately, the pointer can never be NULL
and the check can be removed.

Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
---
 drivers/scsi/cxlflash/main.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/scsi/cxlflash/main.c b/drivers/scsi/cxlflash/main.c
index fcc5aa9f60147..94250ebe9e803 100644
--- a/drivers/scsi/cxlflash/main.c
+++ b/drivers/scsi/cxlflash/main.c
@@ -47,9 +47,6 @@ static void process_cmd_err(struct afu_cmd *cmd, struct scsi_cmnd *scp)
 	struct sisl_ioasa *ioasa;
 	u32 resid;
 
-	if (unlikely(!cmd))
-		return;
-
 	ioasa = &(cmd->sa);
 
 	if (ioasa->rc.flags & SISL_RC_FLAGS_UNDERRUN) {
-- 
2.26.2