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- From 6126f8efebf659708245ba99df6b85d7c1260668 Mon Sep 17 00:00:00 2001
- From: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
- Date: Sun, 31 Jan 2021 20:53:32 -0800
- Subject: [PATCH] mrm_ctlfile.c: compatibility with linux >= 5.6
-
- Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
- ---
- kernelmod/mrm_ctlfile.c | 13 ++++++++++++-
- 1 file changed, 12 insertions(+), 1 deletion(-)
-
- --- a/kernelmod/mrm_ctlfile.c
- +++ b/kernelmod/mrm_ctlfile.c
- @@ -13,6 +13,7 @@
- #include "./macremapper_ioctl.h"
- #include "./bufprintf.h"
-
- +#include <linux/version.h>
- #include <linux/proc_fs.h>
- #include <linux/uaccess.h>
- #include <linux/mutex.h>
- @@ -80,13 +81,14 @@ mrm_handle_read(struct file *f, char __u
- }
-
- static long
- -mrm_handle_ioctl(struct file *f, unsigned int type, void __user *param) {
- +mrm_handle_ioctl(struct file *f, unsigned int type, unsigned long arg) {
- union {
- struct mrm_filter_config filt_conf;
- struct mrm_remap_entry remap_entry;
- unsigned count;
- } u;
- int rv;
- + void __user *param = (void __user *)arg;
-
- mutex_lock(&_ctrl_mutex);
-
- @@ -159,6 +161,14 @@ fail_fault:
- }
-
-
- +#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 6, 0)
- +static const struct proc_ops _fops = {
- + .proc_open = mrm_handle_open,
- + .proc_release = mrm_handle_release,
- + .proc_read = mrm_handle_read,
- + .proc_ioctl = mrm_handle_ioctl,
- +};
- +#else
- static const struct file_operations _fops = {
- owner: THIS_MODULE,
- open: &mrm_handle_open,
- @@ -166,6 +176,7 @@ static const struct file_operations _fop
- read: &mrm_handle_read,
- unlocked_ioctl: (void*)&mrm_handle_ioctl,
- };
- +#endif
-
- int mrm_init_ctlfile( void ) {
- struct proc_dir_entry *pde;
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