remove calls to mm_segment_t, this type is no longer defined and is not needed

os_dep/osdep_service.c

@@ -2204,7 +2204,9 @@ static int isFileReadable(const char *path, u32 *sz)
 {
 	struct file *fp;
 	int ret = 0;
+	#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 18, 0))
 	mm_segment_t oldfs;
+	#endif
 	char buf;
 
 	fp = filp_open(path, O_RDONLY, 0);
@@ -2249,7 +2251,9 @@ static int isFileReadable(const char *path, u32 *sz)
 static int retriveFromFile(const char *path, u8 *buf, u32 sz)
 {
 	int ret = -1;
+	#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 18, 0))
 	mm_segment_t oldfs;
+	#endif
 	struct file *fp;
 
 	if (path && buf) {
@@ -2267,7 +2271,7 @@ static int retriveFromFile(const char *path, u8 *buf, u32 sz)
 		#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 10, 0))
 			set_fs(oldfs);
 		#elif (LINUX_VERSION_CODE < KERNEL_VERSION(5, 18, 0))
-      		force_uaccess_end(oldfs);
+			force_uaccess_end(oldfs);
 		#endif
 			closeFile(fp);
 
@@ -2292,7 +2296,9 @@ static int retriveFromFile(const char *path, u8 *buf, u32 sz)
 static int storeToFile(const char *path, u8 *buf, u32 sz)
 {
 	int ret = 0;
+	#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 18, 0))
 	mm_segment_t oldfs;
+	#endif
 	struct file *fp;
 
 	if (path && buf) {