ntfs: remove NULL value assignments

Static values are automatically initialized to NULL.

Signed-off-by: Fabian Frederick <[e-mail]>
Acked-by: Anton Altaparmakov <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

fs/ntfs/compress.c

···
 /**
  * ntfs_compression_buffer - one buffer for the decompression engine
  */
-static u8 *ntfs_compression_buffer = NULL;
+static u8 *ntfs_compression_buffer;
 
 /**
  * ntfs_cb_lock - spinlock which protects ntfs_compression_buffer

fs/ntfs/super.c

···
 static unsigned long ntfs_nr_compression_users;
 
 /* A global default upcase table and a corresponding reference count. */
-static ntfschar *default_upcase = NULL;
-static unsigned long ntfs_nr_upcase_users = 0;
+static ntfschar *default_upcase;
+static unsigned long ntfs_nr_upcase_users;
 
 /* Error constants/strings used in inode.c::ntfs_show_options(). */
 typedef enum {

fs/ntfs/sysctl.c

···
 };
 
 /* Storage for the sysctls header. */
-static struct ctl_table_header *sysctls_root_table = NULL;
+static struct ctl_table_header *sysctls_root_table;
 
 /**
  * ntfs_sysctl - add or remove the debug sysctl