From 001941a9e66a44cc9437e64f63d23e15456e9837 Mon Sep 17 00:00:00 2001
From: un-lock-able <gaogao174561@outlook.com>
Date: Wed, 23 Apr 2025 21:07:44 +0800
Subject: [PATCH] build the module

---
 lab6/.gitignore |  1 +
 lab6/Makefile   | 17 +++++++++++++----
 lab6/mypipe.c   | 10 +++++-----
 3 files changed, 19 insertions(+), 9 deletions(-)
 create mode 100644 lab6/.gitignore

diff --git a/lab6/.gitignore b/lab6/.gitignore
new file mode 100644
index 0000000..d163863
--- /dev/null
+++ b/lab6/.gitignore
@@ -0,0 +1 @@
+build/
\ No newline at end of file
diff --git a/lab6/Makefile b/lab6/Makefile
index 315c2ac..fc0d6c2 100644
--- a/lab6/Makefile
+++ b/lab6/Makefile
@@ -1,13 +1,22 @@
 obj-m += mypipe.o
 OUT_DIR := build
 
-.PHONY kern_mod writer reader clean
-all: kern_mod writer reader
+.PHONY: all kern_mod install uninstall clean
+
+all: kern_mod
+	@true
 
 kern_mod: mypipe.c
-	make -C /lib/modules/$(shell uname -r)/build M=$(PWD) modules
+	make -C /lib/modules/$(shell uname -r)/build M=$(PWD) MO=$(PWD)/build
+
+
+install:
+	insmod ./build/mypipe.ko
+
+uninstall:
+	rmmod mypipe
 
 clean:
-	make -C /lib/modules/$(shell uname -r)/build M=$(PWD) clean
+	$(MAKE) -C /lib/modules/$(shell uname -r)/build M=$(PWD) clean
 	rm -rf $(OUT_DIR)
 
diff --git a/lab6/mypipe.c b/lab6/mypipe.c
index 6a77c4d..14d985b 100644
--- a/lab6/mypipe.c
+++ b/lab6/mypipe.c
@@ -48,11 +48,11 @@ static int mypipe_release(struct inode *inode, struct file *file) {
     return 0;
 }
 
-static int mypipe_read(struct file *filep, char __user *buf, size_t size,
+static ssize_t mypipe_read(struct file *filep, char __user *buf, size_t size,
                        loff_t *offset) {
     ssize_t ret = 0;
 
-    if (iminor(file_iniode(filep)) != MYPIPE_MINOR_OUT) {
+    if (iminor(file_inode(filep)) != MYPIPE_MINOR_OUT) {
         return -EINVAL;
     }
 
@@ -102,13 +102,13 @@ out:
     return ret;
 }
 
-static int mypipe_write(struct file *filep, char __user *buf, size_t size,
+static ssize_t mypipe_write(struct file *filep, const char __user *buf, size_t size,
                         loff_t *offset) {
     // This is very similar to read(), just write instead of read
 
     ssize_t ret = 0;
 
-    if (iminor(file_indo(filep)) != MYPIPE_MINOR_IN) {
+    if (iminor(file_inode(filep)) != MYPIPE_MINOR_IN) {
         return -EINVAL;
     }
 
@@ -218,7 +218,7 @@ static void __exit mypipe_destroy(void) {
     device_destroy(mypipedev_class, MKDEV(dev_major, MYPIPE_MINOR_IN));
     device_destroy(mypipedev_class, MKDEV(dev_major, MYPIPE_MINOR_OUT));
     class_unregister(mypipedev_class);
-    class_destory(mypipedev_class);
+    class_destroy(mypipedev_class);
     cdev_del(&pdata.cdev);
     unregister_chrdev_region(MKDEV(dev_major, 0), MYPIPE_MINOR_COUNT);
     printk(KERN_INFO "Wendy: module unloaded");