1 files changed, 4 insertions, 2 deletions
diff --git a/1/fopdrv.c b/1/fopdrv.c
index 31c76cd..2c74fea 100644
--- a/1/fopdrv.c
+++ b/1/fopdrv.c
@@ -2,16 +2,18 @@
 
 // driver/char/mem.c read_null (/dev/null)
 ssize_t fop_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) {
+	printk("%s(<file>, <buf>, %lu, <ppos>)\n", __PRETTY_FUNCTION__, count);
 	return 0;
 }
 
 // driver/char/mem.c write_null
 ssize_t fop_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) {
+	printk("%s(<file>, <buf>, %lu, <ppos>)\n", __PRETTY_FUNCTION__, count);
 	return count;
 }
 
 int fop_open(struct inode * inode, struct file * file) {
-	printk("%s\n", __PRETTY_FUNCTION__);
+	printk("%s(<inode>, <file>)\n", __PRETTY_FUNCTION__);
 	return 0;
 	// 0 seems to be a safe return value as it's used in driver/char/mem.c. The
 	// manual page for open(2) says that the system call returns a nonnegative
@@ -20,7 +22,7 @@ int fop_open(struct inode * inode, struct file * file) {
 }
 
 int fop_release(struct inode * inode, struct file * file) {
-	printk("%s\n", __PRETTY_FUNCTION__);
+	printk("%s(<inode>, <file>)\n", __PRETTY_FUNCTION__);
 	return 0;
 	// same as above, but found in driver/char/lp.c
 }