ALSA: ctxfi - Remove useless initializations and cast

Remove useless variable initializations and cast at the beginning of
functions.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 6 insertions, 6 deletions

diff --git a/sound/pci/ctxfi/ctvmem.c b/sound/pci/ctxfi/ctvmem.c
index b7f8e58ae07d..67665a7e43c6 100644
--- a/sound/pci/ctxfi/ctvmem.c
+++ b/sound/pci/ctxfi/ctvmem.c
@@ -31,8 +31,8 @@
 static struct ct_vm_block *
 get_vm_block(struct ct_vm *vm, unsigned int size)
 {
-        struct ct_vm_block *block = NULL, *entry = NULL;
-        struct list_head *pos = NULL;
+        struct ct_vm_block *block = NULL, *entry;
+        struct list_head *pos;
 
         size = CT_PAGE_ALIGN(size);
         if (size > vm->size) {
@@ -77,8 +77,8 @@ get_vm_block(struct ct_vm *vm, unsigned int size)
 
 static void put_vm_block(struct ct_vm *vm, struct ct_vm_block *block)
 {
-        struct ct_vm_block *entry = NULL, *pre_ent = NULL;
-        struct list_head *pos = NULL, *pre = NULL;
+        struct ct_vm_block *entry, *pre_ent;
+        struct list_head *pos, *pre;
 
         block->size = CT_PAGE_ALIGN(block->size);
 
@@ -223,8 +223,8 @@ int ct_vm_create(struct ct_vm **rvm)
 void ct_vm_destroy(struct ct_vm *vm)
 {
         int i;
-        struct list_head *pos = NULL;
-        struct ct_vm_block *entry = NULL;
+        struct list_head *pos;
+        struct ct_vm_block *entry;
 
         /* free used and unused list nodes */
         while (!list_empty(&vm->used)) {