diff --git a/module/os/linux/zfs/vdev_disk.c b/module/os/linux/zfs/vdev_disk.c
index 4f33009f1..9e330e462 100644
--- a/module/os/linux/zfs/vdev_disk.c
+++ b/module/os/linux/zfs/vdev_disk.c
@@ -665,7 +665,7 @@ __vdev_disk_physio(struct block_device *bdev, zio_t *zio,
 retry:
 	dr = vdev_disk_dio_alloc(bio_count);
 
-	if (zio && !(zio->io_flags & (ZIO_FLAG_IO_RETRY | ZIO_FLAG_TRYHARD)) &&
+	if (!(zio->io_flags & (ZIO_FLAG_IO_RETRY | ZIO_FLAG_TRYHARD)) &&
 	    zio->io_vd->vdev_failfast == B_TRUE) {
 		bio_set_flags_failfast(bdev, &flags, zfs_vdev_failfast_mask & 1,
 		    zfs_vdev_failfast_mask & 2, zfs_vdev_failfast_mask & 4);