From: Christoph Hellwig <hch@lst.de>
Date: Mon, 18 Aug 2025 10:11:02 +0000 (+0200)
Subject: block: tone down bio_check_eod
X-Git-Tag: block-6.17-20250822~4
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=d0a2b527d8c32e46ccb8a34053468d4ff0c27e5c;p=linux-block.git

block: tone down bio_check_eod

bdev_nr_sectors() == 0 is a pattern used for block devices that have
been hot removed, don't spam the log about them.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20250818101102.1604551-1-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/block/blk-core.c b/block/blk-core.c
index fdac48aec5ef..4201504158a1 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -557,7 +557,7 @@ static inline int bio_check_eod(struct bio *bio)
 	sector_t maxsector = bdev_nr_sectors(bio->bi_bdev);
 	unsigned int nr_sectors = bio_sectors(bio);
 
-	if (nr_sectors &&
+	if (nr_sectors && maxsector &&
 	    (nr_sectors > maxsector ||
 	     bio->bi_iter.bi_sector > maxsector - nr_sectors)) {
 		pr_info_ratelimited("%s: attempt to access beyond end of device\n"