diff -pNaru5 a/driver/2.6.27/dgnc_proc.c b/driver/2.6.27/dgnc_proc.c
--- a/driver/2.6.27/dgnc_proc.c	2023-01-28 14:46:11.117123311 -0500
+++ b/driver/2.6.27/dgnc_proc.c	2023-01-28 14:52:09.647326130 -0500
@@ -400,11 +400,15 @@ static int dgnc_gen_proc_open(struct ino
 		goto done;
 	}
 
 	entry = (struct dgnc_proc_entry *) de->data;
 #else /* >=3,10,0 */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(5,17,0)
 	entry = (struct dgnc_proc_entry *) PDE_DATA(file_inode(file));
+#else
+	entry = pde_data(file_inode(file));
+#endif
 #endif
 	if (!entry) {
 		ret = -ENXIO;
 		goto done;
 	}
@@ -448,11 +452,15 @@ static int dgnc_gen_proc_close(struct in
 	if (!de || !de->data)
 		goto done;
 
 	entry = (struct dgnc_proc_entry *) de->data;
 #else /* >=3,10,0 */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(5,17,0)
 	entry = (struct dgnc_proc_entry *) PDE_DATA(file_inode(file));
+#else
+	entry = pde_data(file_inode(file));
+#endif
 #endif
 
 	if (!entry)
 		goto done;
 
@@ -490,11 +498,15 @@ static ssize_t dgnc_gen_proc_read(struct
 	if (!de || !de->data)
 		return -ENXIO;
 
 	entry = (struct dgnc_proc_entry *) de->data;
 #else /* >=3,10,0 */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(5,17,0)
 	entry = (struct dgnc_proc_entry *) PDE_DATA(file_inode(file));
+#else
+	entry = pde_data(file_inode(file));
+#endif
 #endif
 
 	if (!entry)
 		return -ENXIO;
 
@@ -534,11 +546,15 @@ static ssize_t	dgnc_gen_proc_write(struc
 	if (!de || !de->data)
 		return -ENXIO;
 
 	entry = (struct dgnc_proc_entry *) de->data;
 #else /* >=3,10,0 */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(5,17,0)
 	entry = (struct dgnc_proc_entry *) PDE_DATA(file_inode(file));
+#else
+	entry = pde_data(file_inode(file));
+#endif
 #endif
 
 	if (!entry)
 		return -ENXIO;