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authorJens Axboe <axboe@suse.de>2006-01-09 14:45:10 +0100
committerJens Axboe <axboe@suse.de>2006-01-09 14:45:10 +0100
commit0ea60b5ad8c3630e8f44c443f173d841be7fc701 (patch)
tree9a8d23c797439a03dcccf26678994783d12f1bbb
parent769db45b73896a88d6b40e3e648dfc50a155ec93 (diff)
downloadconfigs-0ea60b5ad8c3630e8f44c443f173d841be7fc701.tar.gz
[BLOCK] bio: init ->bi_bdev in bio_init()
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>
-rw-r--r--fs/bio.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/bio.c b/fs/bio.c
index dfe242a21eb..7b306958995 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -126,6 +126,7 @@ static void bio_fs_destructor(struct bio *bio)
inline void bio_init(struct bio *bio)
{
bio->bi_next = NULL;
+ bio->bi_bdev = NULL;
bio->bi_flags = 1 << BIO_UPTODATE;
bio->bi_rw = 0;
bio->bi_vcnt = 0;