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authorPhilipp Reisner <philipp.reisner@linbit.com>2010-08-23 16:17:13 +0200
committerPhilipp Reisner <philipp.reisner@linbit.com>2010-10-14 18:38:22 +0200
commit204bba9965c4cc175bf5bc65ddd19889e9085c72 (patch)
tree49af2eedad06561d26fea943b3be5a89da07bd93 /drivers/block/drbd/drbd_worker.c
parent48acf8689847c061bd82c808c379f1bd79dfe407 (diff)
drbd: Bugfix for regression introduced with f9bc8913c06022e
If we intent to use the block_id member of an epoch entry, we may not use the digest member. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Diffstat (limited to 'drivers/block/drbd/drbd_worker.c')
-rw-r--r--drivers/block/drbd/drbd_worker.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c
index 99c937acb47..1eeb55423b3 100644
--- a/drivers/block/drbd/drbd_worker.c
+++ b/drivers/block/drbd/drbd_worker.c
@@ -1052,7 +1052,9 @@ int w_e_end_csum_rs_req(struct drbd_conf *mdev, struct drbd_work *w, int cancel)
ok = drbd_send_ack(mdev, P_RS_IS_IN_SYNC, e);
} else {
inc_rs_pending(mdev);
- e->block_id = ID_SYNCER;
+ e->block_id = ID_SYNCER; /* By setting block_id, digest pointer becomes invalid! */
+ e->flags &= ~EE_HAS_DIGEST; /* This e no longer has a digest pointer */
+ kfree(di);
ok = drbd_send_block(mdev, P_RS_DATA_REPLY, e);
}
} else {