linux-kernel - [PATCH 131/437] drivers/opp: convert to read/write iterators

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20240411153126.16201-132-axboe@kernel.dk>
Date: Thu, 11 Apr 2024 09:14:31 -0600
From: Jens Axboe <axboe@...nel.dk>
To: linux-kernel@...r.kernel.org
Cc: Jens Axboe <axboe@...nel.dk>
Subject: [PATCH 131/437] drivers/opp: convert to read/write iterators

Signed-off-by: Jens Axboe <axboe@...nel.dk>
---
 drivers/opp/debugfs.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/opp/debugfs.c b/drivers/opp/debugfs.c
index 105de7c3274a..a755dacb2c61 100644
--- a/drivers/opp/debugfs.c
+++ b/drivers/opp/debugfs.c
@@ -33,10 +33,9 @@ void opp_debug_remove_one(struct dev_pm_opp *opp)
 	debugfs_remove_recursive(opp->dentry);
 }
 
-static ssize_t bw_name_read(struct file *fp, char __user *userbuf,
-			    size_t count, loff_t *ppos)
+static ssize_t bw_name_read(struct kiocb *iocb, struct iov_iter *to)
 {
-	struct icc_path *path = fp->private_data;
+	struct icc_path *path = iocb->ki_filp->private_data;
 	const char *name = icc_get_name(path);
 	char buf[64];
 	int i = 0;
@@ -44,12 +43,12 @@ static ssize_t bw_name_read(struct file *fp, char __user *userbuf,
 	if (name)
 		i = scnprintf(buf, sizeof(buf), "%.62s\n", name);
 
-	return simple_read_from_buffer(userbuf, count, ppos, buf, i);
+	return simple_copy_to_iter(buf, &iocb->ki_pos, i, to);
 }
 
 static const struct file_operations bw_name_fops = {
 	.open = simple_open,
-	.read = bw_name_read,
+	.read_iter = bw_name_read,
 	.llseek = default_llseek,
 };
 
-- 
2.43.0