Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=98221eb757de03d9aa6262b1eded2be708640ccc
Commit: 98221eb757de03d9aa6262b1eded2be708640ccc
Parent: 027581f3515b5ec2218847dab578afa439a9d6b9
Author: Olaf Kirch <[EMAIL PROTECTED]>
AuthorDate: Wed May 9 02:32:52 2007 -0700
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Wed May 9 12:30:46 2007 -0700
dm crypt: fix avoid cloned bio ref after free
Do not access the bio after generic_make_request
We should never access a bio after generic_make_request - there's no
guarantee
it still exists.
Signed-off-by: Olaf Kirch <[EMAIL PROTECTED]>
Signed-off-by: Alasdair G Kergon <[EMAIL PROTECTED]>
Cc: Jens Axboe <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
drivers/md/dm-crypt.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index db43936..1dc2c62 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -655,9 +655,12 @@ static void process_write(struct crypt_io *io)
generic_make_request(clone);
+ /* Do not reference clone after this - it
+ * may be gone already. */
+
/* out of memory -> run queues */
if (remaining)
- congestion_wait(bio_data_dir(clone), HZ/100);
+ congestion_wait(WRITE, HZ/100);
}
}
-
To unsubscribe from this list: send the line "unsubscribe git-commits-head" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
