gallium/drivers: 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]>

2 files changed, 3 insertions, 3 deletions

diff --git a/src/gallium/drivers/nouveau/nouveau_compiler.c b/src/gallium/drivers/nouveau/nouveau_compiler.c
index 495450b317a..670b0c8b135 100644
--- a/src/gallium/drivers/nouveau/nouveau_compiler.c
+++ b/src/gallium/drivers/nouveau/nouveau_compiler.c
@@ -168,7 +168,7 @@ main(int argc, char *argv[])
    else
       f = fopen(filename, "r");
 
-   if (f == NULL) {
+   if (!f) {
       _debug_printf("Error opening file '%s': %s\n", filename, strerror(errno));
       return 1;
    }
diff --git a/src/gallium/drivers/nouveau/nv50/nv84_video_vp.c b/src/gallium/drivers/nouveau/nv50/nv84_video_vp.c
index d98992cedd7..811e0c60f83 100644
--- a/src/gallium/drivers/nouveau/nv50/nv84_video_vp.c
+++ b/src/gallium/drivers/nouveau/nv50/nv84_video_vp.c
@@ -497,9 +497,9 @@ nv84_decoder_vp_mpeg12(struct nv84_decoder *dec,
 
    STATIC_ASSERT(sizeof(struct mpeg12_header) == 0x100);
 
-   if (ref1 == NULL)
+   if (!ref1)
       ref1 = dest;
-   if (ref2 == NULL)
+   if (!ref2)
       ref2 = dest;
    bo_refs[1].bo = ref1->interlaced;
    bo_refs[2].bo = ref2->interlaced;