linux-kernel - [PATCH v2 03/14] block: bio-integrity: cleanup bio_integrity

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Message-ID: <20230510085018epcms2p5a3830e37b13e9a6799298050abdc77dc@epcms2p5>
Date:   Wed, 10 May 2023 17:50:18 +0900
From:   Jinyoung CHOI <j-young.choi@...sung.com>
To:     Jinyoung CHOI <j-young.choi@...sung.com>,
        "axboe@...nel.dk" <axboe@...nel.dk>,
        "kbusch@...nel.org" <kbusch@...nel.org>, "hch@....de" <hch@....de>,
        "sagi@...mberg.me" <sagi@...mberg.me>,
        "jejb@...ux.ibm.com" <jejb@...ux.ibm.com>,
        "martin.petersen@...cle.com" <martin.petersen@...cle.com>,
        "johannes.thumshirn@....com" <johannes.thumshirn@....com>,
        "kch@...dia.com" <kch@...dia.com>,
        "willy@...radead.org" <willy@...radead.org>,
        "linux-block@...r.kernel.org" <linux-block@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH v2 03/14] block: bio-integrity: cleanup bio_integrity_prep

If a problem occurs in the process of creating an integrity payload, the
status of bio is always BLK_STS_RESOURCE.

Cc: Christoph Hellwig <hch@....de>
Cc: Martin K. Petersen <martin.petersen@...cle.com>

Reviewed-by: Christoph Hellwig <hch@....de>
Signed-off-by: Jinyoung Choi <j-young.choi@...sung.com>
---
 block/bio-integrity.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/block/bio-integrity.c b/block/bio-integrity.c
index 20444ec447cb..c49deed67bb2 100644
--- a/block/bio-integrity.c
+++ b/block/bio-integrity.c
@@ -245,7 +245,6 @@ bool bio_integrity_prep(struct bio *bio)
 	unsigned int len, nr_pages;
 	unsigned int bytes, offset, i;
 	unsigned int intervals;
-	blk_status_t status;
 
 	if (!bi)
 		return true;
@@ -274,7 +273,6 @@ bool bio_integrity_prep(struct bio *bio)
 	/* Allocate kernel buffer for protection data */
 	len = intervals * bi->tuple_size;
 	buf = kmalloc(len, GFP_NOIO);
-	status = BLK_STS_RESOURCE;
 	if (unlikely(buf == NULL)) {
 		printk(KERN_ERR "could not allocate integrity buffer\n");
 		goto err_end_io;
@@ -289,7 +287,6 @@ bool bio_integrity_prep(struct bio *bio)
 	if (IS_ERR(bip)) {
 		printk(KERN_ERR "could not allocate data integrity bioset\n");
 		kfree(buf);
-		status = BLK_STS_RESOURCE;
 		goto err_end_io;
 	}
 
@@ -313,7 +310,6 @@ bool bio_integrity_prep(struct bio *bio)
 		if (bio_integrity_add_page(bio, virt_to_page(buf),
 					   bytes, offset) < bytes) {
 			printk(KERN_ERR "could not attach integrity payload\n");
-			status = BLK_STS_RESOURCE;
 			goto err_end_io;
 		}
 
@@ -332,10 +328,9 @@ bool bio_integrity_prep(struct bio *bio)
 	return true;
 
 err_end_io:
-	bio->bi_status = status;
+	bio->bi_status = BLK_STS_RESOURCE;
 	bio_endio(bio);
 	return false;
-
 }
 EXPORT_SYMBOL(bio_integrity_prep);
 
-- 
2.34.1