c0f04d8 was fixing a reported data corruption bug, but it seems some
last minute refactoring or rebasing introduced a null pointer deref.
Signed-off-by: Kent Overstreet <k...@daterainc.com>
Cc: linux-stable <sta...@vger.kernel.org> # >= v3.10
Reported-by: Gabriel de Perthuis <g2p.c...@gmail.com>
---
drivers/md/bcache/request.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c
index 71eb233..b6a74bc 100644
--- a/drivers/md/bcache/request.c
+++ b/drivers/md/bcache/request.c
@@ -996,6 +996,7 @@ static void request_write(struct cached_dev *dc, struct
search *s)
closure_bio_submit(bio, cl, s->d);
} else {
bch_writeback_add(dc);
+ s->op.cache_bio = bio;
if (bio->bi_rw & REQ_FLUSH) {
/* Also need to send a flush to the backing device */
@@ -1008,8 +1009,6 @@ static void request_write(struct cached_dev *dc, struct
search *s)
flush->bi_private = cl;
closure_bio_submit(flush, cl, s->d);
- } else {
- s->op.cache_bio = bio;
}
}
out:
--
1.8.4.rc3
--
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