nbd: Remove superfluous casts

In Linux kernel code it is preferred not to use a cast when converting a
void pointer to another pointer type.

Cc: Christoph Hellwig <hch@lst.de>
Cc: Josef Bacik <jbacik@fb.com>
Cc: Yu Kuai <yukuai3@huawei.com>
Cc: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20240510202313.25209-3-bvanassche@acm.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 9d4ec9273bf9545b715aa2aefdb3d8cefaaba9ca..90760f27824df57cd01cf9868c0e28653c10f030 100644 (file)
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -222,7 +222,7 @@ static ssize_t pid_show(struct device *dev,
                        struct device_attribute *attr, char *buf)
 {
        struct gendisk *disk = dev_to_disk(dev);
-       struct nbd_device *nbd = (struct nbd_device *)disk->private_data;
+       struct nbd_device *nbd = disk->private_data;
 
        return sprintf(buf, "%d\n", nbd->pid);
 }
@@ -236,7 +236,7 @@ static ssize_t backend_show(struct device *dev,
                struct device_attribute *attr, char *buf)
 {
        struct gendisk *disk = dev_to_disk(dev);
-       struct nbd_device *nbd = (struct nbd_device *)disk->private_data;
+       struct nbd_device *nbd = disk->private_data;
 
        return sprintf(buf, "%s\n", nbd->backend ?: "");
 }