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authorLinus Torvalds <torvalds@linux-foundation.org>2018-07-06 19:13:42 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-07-06 19:13:42 -0700
commit29119529d8de5179db44fe59f0155b6534ade914 (patch)
tree423f87e1f6ac00182fa83c2fd9291b4f09b9fb2a
parentc2b58149d21f619e34ed047ac27eaf280db692da (diff)
parent9fea4b395260175de4016b42982f45a3e6e03d0b (diff)
Merge tag 'for-linus-20180706' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe: "Two minor fixes for this series: - add LOOP_SET_BLOCK_SIZE as compat ioctl (Evan Green) - drbd use-after-free fix (Lars Ellenberg)" * tag 'for-linus-20180706' of git://git.kernel.dk/linux-block: loop: Add LOOP_SET_BLOCK_SIZE in compat ioctl drbd: fix access after free
-rw-r--r--drivers/block/drbd/drbd_worker.c2
-rw-r--r--drivers/block/loop.c1
2 files changed, 2 insertions, 1 deletions
diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c
index 1476cb3439f4..5e793dd7adfb 100644
--- a/drivers/block/drbd/drbd_worker.c
+++ b/drivers/block/drbd/drbd_worker.c
@@ -282,8 +282,8 @@ void drbd_request_endio(struct bio *bio)
what = COMPLETED_OK;
}
- bio_put(req->private_bio);
req->private_bio = ERR_PTR(blk_status_to_errno(bio->bi_status));
+ bio_put(bio);
/* not req_mod(), we need irqsave here! */
spin_lock_irqsave(&device->resource->req_lock, flags);
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index d6b6f434fd4b..4cb1d1be3cfb 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -1613,6 +1613,7 @@ static int lo_compat_ioctl(struct block_device *bdev, fmode_t mode,
arg = (unsigned long) compat_ptr(arg);
case LOOP_SET_FD:
case LOOP_CHANGE_FD:
+ case LOOP_SET_BLOCK_SIZE:
err = lo_ioctl(bdev, mode, cmd, arg);
break;
default: