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]>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/gallium/drivers/svga/svga_tgsi.c b/src/gallium/drivers/svga/svga_tgsi.c
index 4c16f4313a0..c62d4d671ef 100644
--- a/src/gallium/drivers/svga/svga_tgsi.c
+++ b/src/gallium/drivers/svga/svga_tgsi.c
@@ -71,7 +71,7 @@ svga_shader_expand(struct svga_shader_emitter *emit)
    else
       new_buf = NULL;
 
-   if (new_buf == NULL) {
+   if (!new_buf) {
       emit->ptr = err_buf;
       emit->buf = err_buf;
       emit->size = sizeof(err_buf);
@@ -229,7 +229,7 @@ svga_tgsi_vgpu9_translate(struct svga_context *svga,
    }
 
    variant = svga_new_shader_variant(svga);
-   if (variant == NULL)
+   if (!variant)
       goto fail;
 
    variant->shader = shader;