diff --git a/lib/bdev/bdev.c b/lib/bdev/bdev.c
index fcc981973..e97beb9f5 100644
--- a/lib/bdev/bdev.c
+++ b/lib/bdev/bdev.c
@@ -998,25 +998,25 @@ spdk_bdev_config_json(struct spdk_bdev *bdev, struct spdk_json_write_ctx *w)
 }
 
 static void
-spdk_bdev_qos_get_max_ios_per_timeslice(struct spdk_bdev *bdev)
+spdk_bdev_qos_get_max_ios_per_timeslice(struct spdk_bdev_channel *qos_ch)
 {
-	uint64_t	qos_max_ios_per_timeslice = 0;
+	uint64_t		qos_max_ios_per_timeslice = 0;
+	struct spdk_bdev	*bdev = qos_ch->bdev;
 
 	qos_max_ios_per_timeslice = bdev->ios_per_sec * SPDK_BDEV_QOS_TIMESLICE_IN_USEC /
 				    SPDK_BDEV_SEC_TO_USEC;
-	bdev->qos_channel->qos_max_ios_per_timeslice = spdk_max(qos_max_ios_per_timeslice,
-			SPDK_BDEV_QOS_MIN_IO_PER_TIMESLICE);
+	qos_ch->qos_max_ios_per_timeslice = spdk_max(qos_max_ios_per_timeslice,
+					    SPDK_BDEV_QOS_MIN_IO_PER_TIMESLICE);
 }
 
 static int
 spdk_bdev_channel_poll_qos(void *arg)
 {
 	struct spdk_bdev_channel	*ch = arg;
-	struct spdk_bdev		*bdev = ch->bdev;
 
 	/* Reset for next round of rate limiting */
 	ch->io_submitted_this_timeslice = 0;
-	spdk_bdev_qos_get_max_ios_per_timeslice(bdev);
+	spdk_bdev_qos_get_max_ios_per_timeslice(ch);
 
 	_spdk_bdev_qos_io_submit(ch);
 
@@ -1134,7 +1134,7 @@ spdk_bdev_qos_channel_create(struct spdk_bdev *bdev)
 	}
 
 	bdev->qos_channel->flags |= BDEV_CH_QOS_ENABLED;
-	spdk_bdev_qos_get_max_ios_per_timeslice(bdev);
+	spdk_bdev_qos_get_max_ios_per_timeslice(bdev->qos_channel);
 	bdev->qos_channel->qos_poller = spdk_poller_register(
 						spdk_bdev_channel_poll_qos,
 						bdev->qos_channel,