ALSA: ctxfi - Simple code clean up

- replace NULL == xxx with !xxx
- replace NULL != xxx with xxx
- similar trivial cleanups

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

1 files changed, 9 insertions, 9 deletions

diff --git a/sound/pci/ctxfi/cthw20k2.c b/sound/pci/ctxfi/cthw20k2.c
index 0c4db2dcab07..b6b11bfe7574 100644
--- a/sound/pci/ctxfi/cthw20k2.c
+++ b/sound/pci/ctxfi/cthw20k2.c
@@ -166,7 +166,7 @@ static int src_get_rsc_ctrl_blk(void **rblk)
 
         *rblk = NULL;
         blk = kzalloc(sizeof(*blk), GFP_KERNEL);
-        if (NULL == blk)
+        if (!blk)
                 return -ENOMEM;
 
         *rblk = blk;
@@ -492,7 +492,7 @@ static int src_mgr_get_ctrl_blk(void **rblk)
 
         *rblk = NULL;
         blk = kzalloc(sizeof(*blk), GFP_KERNEL);
-        if (NULL == blk)
+        if (!blk)
                 return -ENOMEM;
 
         *rblk = blk;
@@ -513,7 +513,7 @@ static int srcimp_mgr_get_ctrl_blk(void **rblk)
 
         *rblk = NULL;
         blk = kzalloc(sizeof(*blk), GFP_KERNEL);
-        if (NULL == blk)
+        if (!blk)
                 return -ENOMEM;
 
         *rblk = blk;
@@ -702,7 +702,7 @@ static int amixer_rsc_get_ctrl_blk(void **rblk)
 
         *rblk = NULL;
         blk = kzalloc(sizeof(*blk), GFP_KERNEL);
-        if (NULL == blk)
+        if (!blk)
                 return -ENOMEM;
 
         *rblk = blk;
@@ -891,7 +891,7 @@ static int dai_get_ctrl_blk(void **rblk)
 
         *rblk = NULL;
         blk = kzalloc(sizeof(*blk), GFP_KERNEL);
-        if (NULL == blk)
+        if (!blk)
                 return -ENOMEM;
 
         *rblk = blk;
@@ -941,7 +941,7 @@ static int dao_get_ctrl_blk(void **rblk)
 
         *rblk = NULL;
         blk = kzalloc(sizeof(*blk), GFP_KERNEL);
-        if (NULL == blk)
+        if (!blk)
                 return -ENOMEM;
 
         *rblk = blk;
@@ -1092,7 +1092,7 @@ static int daio_mgr_get_ctrl_blk(struct hw *hw, void **rblk)
 
         *rblk = NULL;
         blk = kzalloc(sizeof(*blk), GFP_KERNEL);
-        if (NULL == blk)
+        if (!blk)
                 return -ENOMEM;
 
         for (i = 0; i < 8; i++) {
@@ -1904,7 +1904,7 @@ static int hw_card_start(struct hw *hw)
                 hw->io_base = pci_resource_start(hw->pci, 2);
                 hw->mem_base = (unsigned long)ioremap(hw->io_base,
                                         pci_resource_len(hw->pci, 2));
-                if (NULL == (void *)hw->mem_base) {
+                if (!hw->mem_base) {
                         err = -ENOENT;
                         goto error2;
                 }
@@ -1962,7 +1962,7 @@ static int hw_card_shutdown(struct hw *hw)
 
         hw->irq = -1;
 
-        if (NULL != ((void *)hw->mem_base))
+        if (hw->mem_base)
                 iounmap((void *)hw->mem_base);
 
         hw->mem_base = (unsigned long)NULL;