diff options
Diffstat (limited to 'block')
| -rw-r--r-- | block/bfq-cgroup.c | 4 | ||||
| -rw-r--r-- | block/sed-opal.c | 32 |
2 files changed, 32 insertions, 4 deletions
diff --git a/block/bfq-cgroup.c b/block/bfq-cgroup.c index 144bca006463..7d624a3a3f0f 100644 --- a/block/bfq-cgroup.c +++ b/block/bfq-cgroup.c @@ -610,6 +610,10 @@ struct bfq_group *bfq_bio_bfqg(struct bfq_data *bfqd, struct bio *bio) struct bfq_group *bfqg; while (blkg) { + if (!blkg->online) { + blkg = blkg->parent; + continue; + } bfqg = blkg_to_bfqg(blkg); if (bfqg->online) { bio_associate_blkg_from_css(bio, &blkg->blkcg->css); diff --git a/block/sed-opal.c b/block/sed-opal.c index 2c5327a0543a..9bdb833e5817 100644 --- a/block/sed-opal.c +++ b/block/sed-opal.c @@ -87,8 +87,8 @@ struct opal_dev { u64 lowest_lba; size_t pos; - u8 cmd[IO_BUFFER_LENGTH]; - u8 resp[IO_BUFFER_LENGTH]; + u8 *cmd; + u8 *resp; struct parsed_resp parsed; size_t prev_d_len; @@ -2175,6 +2175,8 @@ void free_opal_dev(struct opal_dev *dev) return; clean_opal_dev(dev); + kfree(dev->resp); + kfree(dev->cmd); kfree(dev); } EXPORT_SYMBOL(free_opal_dev); @@ -2187,6 +2189,18 @@ struct opal_dev *init_opal_dev(void *data, sec_send_recv *send_recv) if (!dev) return NULL; + /* + * Presumably DMA-able buffers must be cache-aligned. Kmalloc makes + * sure the allocated buffer is DMA-safe in that regard. + */ + dev->cmd = kmalloc(IO_BUFFER_LENGTH, GFP_KERNEL); + if (!dev->cmd) + goto err_free_dev; + + dev->resp = kmalloc(IO_BUFFER_LENGTH, GFP_KERNEL); + if (!dev->resp) + goto err_free_cmd; + INIT_LIST_HEAD(&dev->unlk_lst); mutex_init(&dev->dev_lock); dev->flags = 0; @@ -2194,11 +2208,21 @@ struct opal_dev *init_opal_dev(void *data, sec_send_recv *send_recv) dev->send_recv = send_recv; if (check_opal_support(dev) != 0) { pr_debug("Opal is not supported on this device\n"); - kfree(dev); - return NULL; + goto err_free_resp; } return dev; + +err_free_resp: + kfree(dev->resp); + +err_free_cmd: + kfree(dev->cmd); + +err_free_dev: + kfree(dev); + + return NULL; } EXPORT_SYMBOL(init_opal_dev); |