Implement ->proc_read_buf() so procfs copies what is read to userspace
after it unpinned the entry.
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
---
arch/m68k/kernel/bootinfo_proc.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/m68k/kernel/bootinfo_proc.c b/arch/m68k/kernel/bootinfo_proc.c
index 857fa2aaa748..4936cf44e86a 100644
--- a/arch/m68k/kernel/bootinfo_proc.c
+++ b/arch/m68k/kernel/bootinfo_proc.c
@@ -19,15 +19,15 @@ static char bootinfo_tmp[1536] __initdata;
static void *bootinfo_copy;
static size_t bootinfo_size;
-static ssize_t bootinfo_read(struct file *file, char __user *buf,
+static ssize_t bootinfo_read(struct file *file, char *buf,
size_t count, loff_t *ppos)
{
- return simple_read_from_buffer(buf, count, ppos, bootinfo_copy,
+ return memory_read_from_buffer(buf, count, ppos, bootinfo_copy,
bootinfo_size);
}
static const struct proc_ops bootinfo_proc_ops = {
- .proc_read = bootinfo_read,
+ .proc_read_buf = bootinfo_read,
.proc_lseek = default_llseek,
};
--
2.53.0