Remove useless checks for NULL before freeing

Same as earlier commit, except for "FREE"

This patch has been generated by the following Coccinelle semantic
patch:

// Remove useless checks for NULL before freeing
//
// free (NULL) is a no-op, so there is no need to avoid it

@@
expression E;
@@
+ FREE (E);
+ E = NULL;
- if (unlikely (E != NULL)) {
-   FREE(E);
(
-   E = NULL;
|
-   E = 0;
)
   ...
- }

@@
expression E;
type T;
@@
+ FREE ((T) E);
+ E = NULL;
- if (unlikely (E != NULL)) {
-   FREE((T) E);
(
-   E = NULL;
|
-   E = 0;
)
   ...
- }

@@
expression E;
@@
+ FREE (E);
- if (unlikely (E != NULL)) {
-   FREE (E);
- }

@@
expression E;
type T;
@@
+ FREE ((T) E);
- if (unlikely (E != NULL)) {
-   FREE ((T) E);
- }

Reviewed-by: Brian Paul <[email protected]>

1 files changed, 1 insertions, 3 deletions

diff --git a/src/gallium/drivers/llvmpipe/lp_texture.c b/src/gallium/drivers/llvmpipe/lp_texture.c
index 36041432312..924881c7030 100644
--- a/src/gallium/drivers/llvmpipe/lp_texture.c
+++ b/src/gallium/drivers/llvmpipe/lp_texture.c
@@ -184,9 +184,7 @@ llvmpipe_texture_layout(struct llvmpipe_screen *screen,
 
 fail:
    for (level = 0; level <= pt->last_level; level++) {
-      if (lpr->layout[level]) {
-         FREE(lpr->layout[level]);
-      }
+      FREE(lpr->layout[level]);
    }
 
    return FALSE;