block: fix offset/size check in bio_trim()

Unit of bio->bi_iter.bi_size is bytes, but unit of offset/size is sector. Fix the above issue in checking offset/size in bio_trim(). Fixes: e83502c ("block: fix argument type of bio_trim()") Cc: Chaitanya Kulkarni <[email protected]> Signed-off-by: Ming Lei <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jens Axboe <[email protected]>
josf · Apr 14, 2022 · 8535c01 · 8535c01
1 parent b976875
commit 8535c01
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/block/bio.c b/block/bio.c
@@ -1598,7 +1598,7 @@ EXPORT_SYMBOL(bio_split);
 void bio_trim(struct bio *bio, sector_t offset, sector_t size)
 {
 	if (WARN_ON_ONCE(offset > BIO_MAX_SECTORS || size > BIO_MAX_SECTORS ||
-			 offset + size > bio->bi_iter.bi_size))
+			 offset + size > bio_sectors(bio)))
 		return;
 
 	size <<= 9;