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, 3 insertions, 3 deletions

diff --git a/src/gallium/drivers/svga/svga_draw_elements.c b/src/gallium/drivers/svga/svga_draw_elements.c
index 0213409ef29..74bfebda18f 100644
--- a/src/gallium/drivers/svga/svga_draw_elements.c
+++ b/src/gallium/drivers/svga/svga_draw_elements.c
@@ -60,15 +60,15 @@ translate_indices(struct svga_hwtnl *hwtnl, struct pipe_resource *src,
 
    dst = pipe_buffer_create(pipe->screen,
                             PIPE_BIND_INDEX_BUFFER, PIPE_USAGE_DEFAULT, size);
-   if (dst == NULL)
+   if (!dst)
       goto fail;
 
    src_map = pipe_buffer_map(pipe, src, PIPE_TRANSFER_READ, &src_transfer);
-   if (src_map == NULL)
+   if (!src_map)
       goto fail;
 
    dst_map = pipe_buffer_map(pipe, dst, PIPE_TRANSFER_WRITE, &dst_transfer);
-   if (dst_map == NULL)
+   if (!dst_map)
       goto fail;
 
    translate((const char *) src_map + offset, 0, 0, nr, 0, dst_map);