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[v3,14/19] floppy: use __bio_add_page for adding single page to bio

Message ID 20230419140929.5924-15-jth@kernel.org (mailing list archive)
State New
Headers show
Series bio: check return values of bio_add_page | expand

Commit Message

Johannes Thumshirn April 19, 2023, 2:09 p.m. UTC 
From: Johannes Thumshirn <johannes.thumshirn@wdc.com>

The floppy code uses bio_add_page() to add a page to a newly created bio.
bio_add_page() can fail, but the return value is never checked.

Use __bio_add_page() as adding a single page to a newly created bio is
guaranteed to succeed.

This brings us a step closer to marking bio_add_page() as __must_check.

Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
---
 drivers/block/floppy.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 487840e3564d..6f46a30f7c36 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -4147,7 +4147,7 @@  static int __floppy_read_block_0(struct block_device *bdev, int drive)
 	cbdata.drive = drive;
 
 	bio_init(&bio, bdev, &bio_vec, 1, REQ_OP_READ);
-	bio_add_page(&bio, page, block_size(bdev), 0);
+	__bio_add_page(&bio, page, block_size(bdev), 0);
 
 	bio.bi_iter.bi_sector = 0;
 	bio.bi_flags |= (1 << BIO_QUIET);