gallium/auxiliary: Sanitize NULL checks into canonical form

Use NULL tests of the form `if (ptr)' or `if (!ptr)'.
They do not depend on the definition of the symbol NULL.
Further, they provide the opportunity for the accidental
assignment, are clear and succinct.

Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Signed-off-by: Marek Olšák <marek.olsak@amd.com>

3 files changed, 3 insertions, 3 deletions

diff --git a/src/gallium/auxiliary/translate/translate_cache.c b/src/gallium/auxiliary/translate/translate_cache.c
index 2bed02a..8aad7cd 100644
--- a/src/gallium/auxiliary/translate/translate_cache.c
+++ b/src/gallium/auxiliary/translate/translate_cache.c
@@ -40,7 +40,7 @@ struct translate_cache {
 struct translate_cache * translate_cache_create( void )
 {
    struct translate_cache *cache = MALLOC_STRUCT(translate_cache);
-   if (cache == NULL) {
+   if (!cache) {
       return NULL;
    }
 
diff --git a/src/gallium/auxiliary/translate/translate_generic.c b/src/gallium/auxiliary/translate/translate_generic.c
index 45eb632..3b460e1 100644
--- a/src/gallium/auxiliary/translate/translate_generic.c
+++ b/src/gallium/auxiliary/translate/translate_generic.c
@@ -772,7 +772,7 @@ struct translate *translate_generic_create( const struct translate_key *key )
    struct translate_generic *tg = CALLOC_STRUCT(translate_generic);
    unsigned i;
 
-   if (tg == NULL)
+   if (!tg)
       return NULL;
 
    assert(key->nr_elements <= TRANSLATE_MAX_ATTRIBS);
diff --git a/src/gallium/auxiliary/translate/translate_sse.c b/src/gallium/auxiliary/translate/translate_sse.c
index c7b6c36..b3c3b30 100644
--- a/src/gallium/auxiliary/translate/translate_sse.c
+++ b/src/gallium/auxiliary/translate/translate_sse.c
@@ -1486,7 +1486,7 @@ translate_sse2_create(const struct translate_key *key)
       goto fail;
 
    p = os_malloc_aligned(sizeof(struct translate_sse), 16);
-   if (p == NULL)
+   if (!p)
       goto fail;
 
    memset(p, 0, sizeof(*p));