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, 5 insertions, 5 deletions

diff --git a/sound/pci/ctxfi/ctsrc.c b/sound/pci/ctxfi/ctsrc.c
index df43a5cd3938..c749fa720889 100644
--- a/sound/pci/ctxfi/ctsrc.c
+++ b/sound/pci/ctxfi/ctsrc.c
@@ -441,7 +441,7 @@ get_src_rsc(struct src_mgr *mgr, const struct src_desc *desc, struct src **rsrc)
         else
                 src = kzalloc(sizeof(*src), GFP_KERNEL);
 
-        if (NULL == src) {
+        if (!src) {
                 err = -ENOMEM;
                 goto error1;
         }
@@ -550,7 +550,7 @@ int src_mgr_create(void *hw, struct src_mgr **rsrc_mgr)
 
         *rsrc_mgr = NULL;
         src_mgr = kzalloc(sizeof(*src_mgr), GFP_KERNEL);
-        if (NULL == src_mgr)
+        if (!src_mgr)
                 return -ENOMEM;
 
         err = rsc_mgr_init(&src_mgr->mgr, SRC, SRC_RESOURCE_NUM, hw);
@@ -679,7 +679,7 @@ static int srcimp_rsc_init(struct srcimp *srcimp,
         /* Reserve memory for imapper nodes */
         srcimp->imappers = kzalloc(sizeof(struct imapper)*desc->msr,
                                    GFP_KERNEL);
-        if (NULL == srcimp->imappers) {
+        if (!srcimp->imappers) {
                 err = -ENOMEM;
                 goto error1;
         }
@@ -833,7 +833,7 @@ int srcimp_mgr_create(void *hw, struct srcimp_mgr **rsrcimp_mgr)
 
         *rsrcimp_mgr = NULL;
         srcimp_mgr = kzalloc(sizeof(*srcimp_mgr), GFP_KERNEL);
-        if (NULL == srcimp_mgr)
+        if (!srcimp_mgr)
                 return -ENOMEM;
 
         err = rsc_mgr_init(&srcimp_mgr->mgr, SRCIMP, SRCIMP_RESOURCE_NUM, hw);
@@ -844,7 +844,7 @@ int srcimp_mgr_create(void *hw, struct srcimp_mgr **rsrcimp_mgr)
         spin_lock_init(&srcimp_mgr->imap_lock);
         INIT_LIST_HEAD(&srcimp_mgr->imappers);
         entry = kzalloc(sizeof(*entry), GFP_KERNEL);
-        if (NULL == entry) {
+        if (!entry) {
                 err = -ENOMEM;
                 goto error2;
         }