linux-kernel - [PATCH 2/2] random: wire up fops->splice_read

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Date:   Thu, 19 May 2022 13:31:33 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     tytso@....edu, Jason@...c4.com
Cc:     hch@....de, linux-kernel@...r.kernel.org,
        Jens Axboe <axboe@...nel.dk>
Subject: [PATCH 2/2] random: wire up fops->splice_read_iter()

Now that random/urandom is using read_iter, we can wire it up to using
the generic splice read handler.

Fixes: 36e2c7421f02 ("fs: don't allow splice read/write without explicit ops")
Signed-off-by: Jens Axboe <axboe@...nel.dk>
---
 drivers/char/random.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/char/random.c b/drivers/char/random.c
index 529afd31d549..6da8f1441815 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -1647,6 +1647,7 @@ const struct file_operations random_fops = {
 	.compat_ioctl = compat_ptr_ioctl,
 	.fasync = random_fasync,
 	.llseek = noop_llseek,
+	.splice_read = generic_file_splice_read,
 };
 
 const struct file_operations urandom_fops = {
@@ -1656,6 +1657,7 @@ const struct file_operations urandom_fops = {
 	.compat_ioctl = compat_ptr_ioctl,
 	.fasync = random_fasync,
 	.llseek = noop_llseek,
+	.splice_read = generic_file_splice_read,
 };
 
 
-- 
2.35.1