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 <[email protected]>
Signed-off-by: Marek Olšák <[email protected]>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/gallium/auxiliary/postprocess/pp_run.c b/src/gallium/auxiliary/postprocess/pp_run.c
index caa2062f4cf..c6c7b88eea3 100644
--- a/src/gallium/auxiliary/postprocess/pp_run.c
+++ b/src/gallium/auxiliary/postprocess/pp_run.c
@@ -262,7 +262,7 @@ pp_tgsi_to_state(struct pipe_context *pipe, const char *text, bool isvs,
     */ 
    tokens = tgsi_alloc_tokens(PP_MAX_TOKENS);
 
-   if (tokens == NULL) {
+   if (!tokens) {
       pp_debug("Failed to allocate temporary token storage.\n");
       return NULL;
    }