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[BLOCK] bio: init ->bi_bdev in bio_init()

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For SG_IO requests, bio->bi_bdev may not be explicitly initialized. So make
bio_init() clear the field to make sure it's always NULL or valid.

Signed-off-by: Jens Axboe <axboe@suse.de>
This commit is contained in:
Jens Axboe
2006-01-09 14:45:10 +01:00
parent 769db45b73
commit 0ea60b5ad8
1 changed files with 1 additions and 0 deletions
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fs/bio.c
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@@ -126,6 +126,7 @@ static void bio_fs_destructor(struct bio *bio)
inline void bio_init(struct bio *bio) inline void bio_init(struct bio *bio)
{ {
bio->bi_next = NULL; bio->bi_next = NULL;
bio->bi_bdev = NULL;
bio->bi_flags = 1 << BIO_UPTODATE; bio->bi_flags = 1 << BIO_UPTODATE;
bio->bi_rw = 0; bio->bi_rw = 0;
bio->bi_vcnt = 0; bio->bi_vcnt = 0;