linux-kernel - [PATCH 4.9 148/264] hwrng: core - Move hwrng miscdev minor number to include/linux/miscdevice.h

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Date:   Thu, 23 Jun 2022 18:42:21 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Corentin Labbe <clabbe.montjoie@...il.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "Jason A. Donenfeld" <Jason@...c4.com>
Subject: [PATCH 4.9 148/264] hwrng: core - Move hwrng miscdev minor number to include/linux/miscdevice.h

From: Corentin LABBE <clabbe.montjoie@...il.com>

commit fd50d71f94fb1c8614098949db068cd4c8dbb91d upstream.

This patch move the define for hwrng's miscdev minor number to
include/linux/miscdevice.h.
It's better that all minor number are in the same place.
Rename it to HWRNG_MINOR (from RNG_MISCDEV_MINOR) in he process since
no other miscdev define have MISCDEV in their name.

Signed-off-by: Corentin Labbe <clabbe.montjoie@...il.com>
Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au>
Signed-off-by: Jason A. Donenfeld <Jason@...c4.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/char/hw_random/core.c |    3 +--
 include/linux/miscdevice.h    |    1 +
 2 files changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/char/hw_random/core.c
+++ b/drivers/char/hw_random/core.c
@@ -26,7 +26,6 @@
 
 #define RNG_MODULE_NAME		"hw_random"
 #define PFX			RNG_MODULE_NAME ": "
-#define RNG_MISCDEV_MINOR	183 /* official */
 
 static struct hwrng *current_rng;
 static struct task_struct *hwrng_fill;
@@ -283,7 +282,7 @@ static const struct file_operations rng_
 static const struct attribute_group *rng_dev_groups[];
 
 static struct miscdevice rng_miscdev = {
-	.minor		= RNG_MISCDEV_MINOR,
+	.minor		= HWRNG_MINOR,
 	.name		= RNG_MODULE_NAME,
 	.nodename	= "hwrng",
 	.fops		= &rng_chrdev_ops,
--- a/include/linux/miscdevice.h
+++ b/include/linux/miscdevice.h
@@ -31,6 +31,7 @@
 #define SGI_MMTIMER		153
 #define STORE_QUEUE_MINOR	155	/* unused */
 #define I2O_MINOR		166
+#define HWRNG_MINOR		183
 #define MICROCODE_MINOR		184
 #define VFIO_MINOR		196
 #define TUN_MINOR		200