linux-kernel - [PATCH 06/11] compat_ioctl: remove /dev/random commands

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Date:   Sat,  8 Sep 2018 16:28:12 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     viro@...iv.linux.org.uk
Cc:     Arnd Bergmann <arnd@...db.de>, "Theodore Ts'o" <tytso@....edu>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: [PATCH 06/11] compat_ioctl: remove /dev/random commands

These are all handled by the random driver, so instead of listing
each ioctl, we can just use the same function to deal with both
native and compat commands.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 drivers/char/random.c | 1 +
 fs/compat_ioctl.c     | 7 -------
 2 files changed, 1 insertion(+), 7 deletions(-)

diff --git a/drivers/char/random.c b/drivers/char/random.c
index bf5f99fc36f1..103abf82444a 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -2021,6 +2021,7 @@ const struct file_operations random_fops = {
 	.write = random_write,
 	.poll  = random_poll,
 	.unlocked_ioctl = random_ioctl,
+	.compat_ioctl = random_ioctl,
 	.fasync = random_fasync,
 	.llseek = noop_llseek,
 };
diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
index b56a3842d61d..eb29188d1dbb 100644
--- a/fs/compat_ioctl.c
+++ b/fs/compat_ioctl.c
@@ -594,13 +594,6 @@ COMPATIBLE_IOCTL(WDIOC_SETTIMEOUT)
 COMPATIBLE_IOCTL(WDIOC_GETTIMEOUT)
 COMPATIBLE_IOCTL(WDIOC_SETPRETIMEOUT)
 COMPATIBLE_IOCTL(WDIOC_GETPRETIMEOUT)
-/* Big R */
-COMPATIBLE_IOCTL(RNDGETENTCNT)
-COMPATIBLE_IOCTL(RNDADDTOENTCNT)
-COMPATIBLE_IOCTL(RNDGETPOOL)
-COMPATIBLE_IOCTL(RNDADDENTROPY)
-COMPATIBLE_IOCTL(RNDZAPENTCNT)
-COMPATIBLE_IOCTL(RNDCLEARPOOL)
 /* Bluetooth */
 COMPATIBLE_IOCTL(HCIDEVUP)
 COMPATIBLE_IOCTL(HCIDEVDOWN)
-- 
2.18.0