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authorAl Viro <viro@zeniv.linux.org.uk>2022-05-22 23:55:40 +0300
committerAl Viro <viro@zeniv.linux.org.uk>2022-08-09 05:37:15 +0300
commit3e20a751aff0e099cff496511fef8cdf655b3360 (patch)
treef7d10dd5cc35b5e9f917b542fa860dc6ff6a45fd /fs/read_write.c
parentfcb14cb1bdacec5b4374fe161e83fb8208164a85 (diff)
downloadlinux-3e20a751aff0e099cff496511fef8cdf655b3360.tar.xz
switch new_sync_{read,write}() to ITER_UBUF
Reviewed-by: Christian Brauner (Microsoft) <brauner@kernel.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/read_write.c')
-rw-r--r--fs/read_write.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/fs/read_write.c b/fs/read_write.c
index ea59dd0095c2..1a261dcf1778 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -378,14 +378,13 @@ EXPORT_SYMBOL(rw_verify_area);
static ssize_t new_sync_read(struct file *filp, char __user *buf, size_t len, loff_t *ppos)
{
- struct iovec iov = { .iov_base = buf, .iov_len = len };
struct kiocb kiocb;
struct iov_iter iter;
ssize_t ret;
init_sync_kiocb(&kiocb, filp);
kiocb.ki_pos = (ppos ? *ppos : 0);
- iov_iter_init(&iter, READ, &iov, 1, len);
+ iov_iter_ubuf(&iter, READ, buf, len);
ret = call_read_iter(filp, &kiocb, &iter);
BUG_ON(ret == -EIOCBQUEUED);
@@ -481,14 +480,13 @@ ssize_t vfs_read(struct file *file, char __user *buf, size_t count, loff_t *pos)
static ssize_t new_sync_write(struct file *filp, const char __user *buf, size_t len, loff_t *ppos)
{
- struct iovec iov = { .iov_base = (void __user *)buf, .iov_len = len };
struct kiocb kiocb;
struct iov_iter iter;
ssize_t ret;
init_sync_kiocb(&kiocb, filp);
kiocb.ki_pos = (ppos ? *ppos : 0);
- iov_iter_init(&iter, WRITE, &iov, 1, len);
+ iov_iter_ubuf(&iter, WRITE, (void __user *)buf, len);
ret = call_write_iter(filp, &kiocb, &iter);
BUG_ON(ret == -EIOCBQUEUED);