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Diffstat (limited to 'block/blk-mq-sched.c')
-rw-r--r--block/blk-mq-sched.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/block/blk-mq-sched.c b/block/blk-mq-sched.c
index 13b8dc332541..f096d8989773 100644
--- a/block/blk-mq-sched.c
+++ b/block/blk-mq-sched.c
@@ -34,9 +34,16 @@ EXPORT_SYMBOL_GPL(blk_mq_sched_free_hctx_data);
void blk_mq_sched_assign_ioc(struct request *rq)
{
struct request_queue *q = rq->q;
- struct io_context *ioc = current->io_context;
+ struct io_context *ioc;
struct io_cq *icq;
+ /*
+ * May not have an IO context if it's a passthrough request
+ */
+ ioc = current->io_context;
+ if (!ioc)
+ return;
+
spin_lock_irq(&q->queue_lock);
icq = ioc_lookup_icq(ioc, q);
spin_unlock_irq(&q->queue_lock);