Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/fs/coda/coda_int.h b/fs/coda/coda_int.h
index bb0b3e0..f82b59c 100644
--- a/fs/coda/coda_int.h
+++ b/fs/coda/coda_int.h
@@ -13,9 +13,19 @@
 void coda_destroy_inodecache(void);
 int __init coda_init_inodecache(void);
 int coda_fsync(struct file *coda_file, loff_t start, loff_t end, int datasync);
+
+#ifdef CONFIG_SYSCTL
 void coda_sysctl_init(void);
 void coda_sysctl_clean(void);
+#else
+static inline void coda_sysctl_init(void)
+{
+}
 
+static inline void coda_sysctl_clean(void)
+{
+}
+#endif
 #endif  /*  _CODA_INT_  */