linux-kernel - [PATCH] scsi: mvumi: fix warning Using plain integer as NULL pointer

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Date:   Sat, 6 Apr 2019 23:23:31 +0530
From:   Hariprasad Kelam <hariprasad.kelam@...il.com>
To:     "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
Subject: [PATCH] scsi: mvumi: fix warning Using plain integer as NULL pointer

Changed "0 to NULL" to avoid below sparse warnings

drivers/scsi/mvumi.c:755:58: warning: Using plain integer as NULL
pointer
drivers/scsi/mvumi.c:1797:48: warning: Using plain integer as NULL
pointer
drivers/scsi/mvumi.c:2142:50: warning: Using plain integer as NULL
pointer

Signed-off-by: Hariprasad Kelam <hariprasad.kelam@...il.com>
---
 drivers/scsi/mvumi.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/scsi/mvumi.c b/drivers/scsi/mvumi.c
index 3df0269..a541061 100644
--- a/drivers/scsi/mvumi.c
+++ b/drivers/scsi/mvumi.c
@@ -752,7 +752,7 @@ static int mvumi_issue_blocked_cmd(struct mvumi_hba *mhba,
 		spin_lock_irqsave(mhba->shost->host_lock, flags);
 		atomic_dec(&cmd->sync_cmd);
 		if (mhba->tag_cmd[cmd->frame->tag]) {
-			mhba->tag_cmd[cmd->frame->tag] = 0;
+			mhba->tag_cmd[cmd->frame->tag] = NULL;
 			dev_warn(&mhba->pdev->dev, "TIMEOUT:release tag [%d]\n",
 							cmd->frame->tag);
 			tag_release_one(mhba, &mhba->tag_pool, cmd->frame->tag);
@@ -1794,7 +1794,7 @@ static void mvumi_handle_clob(struct mvumi_hba *mhba)
 		cmd = mhba->tag_cmd[ob_frame->tag];
 
 		atomic_dec(&mhba->fw_outstanding);
-		mhba->tag_cmd[ob_frame->tag] = 0;
+		mhba->tag_cmd[ob_frame->tag] = NULL;
 		tag_release_one(mhba, &mhba->tag_pool, ob_frame->tag);
 		if (cmd->scmd)
 			mvumi_complete_cmd(mhba, cmd, ob_frame);
@@ -2139,7 +2139,7 @@ static enum blk_eh_timer_return mvumi_timed_out(struct scsi_cmnd *scmd)
 	spin_lock_irqsave(mhba->shost->host_lock, flags);
 
 	if (mhba->tag_cmd[cmd->frame->tag]) {
-		mhba->tag_cmd[cmd->frame->tag] = 0;
+		mhba->tag_cmd[cmd->frame->tag] = NULL;
 		tag_release_one(mhba, &mhba->tag_pool, cmd->frame->tag);
 	}
 	if (!list_empty(&cmd->queue_pointer))
-- 
2.7.4