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gallium/drivers: Sanitize NULL checks into canonical form

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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 <eocallaghan@alterapraxis.com>
Signed-off-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Edward O'Callaghan
2015-12-04 22:08:22 +11:00
committed by Marek Olšák
parent 150c289f60
commit 13eb5f596b
54 changed files with 132 additions and 132 deletions
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18
src/gallium/drivers/r600/r600_asm.c
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@@ -55,7 +55,7 @@ static struct r600_bytecode_cf *r600_bytecode_cf(void)
{
struct r600_bytecode_cf *cf = CALLOC_STRUCT(r600_bytecode_cf);
if (cf == NULL)
if (!cf)
return NULL;
LIST_INITHEAD(&cf->list);
LIST_INITHEAD(&cf->alu);
@@ -68,7 +68,7 @@ static struct r600_bytecode_alu *r600_bytecode_alu(void)
{
struct r600_bytecode_alu *alu = CALLOC_STRUCT(r600_bytecode_alu);
if (alu == NULL)
if (!alu)
return NULL;
LIST_INITHEAD(&alu->list);
return alu;
@@ -78,7 +78,7 @@ static struct r600_bytecode_vtx *r600_bytecode_vtx(void)
{
struct r600_bytecode_vtx *vtx = CALLOC_STRUCT(r600_bytecode_vtx);
if (vtx == NULL)
if (!vtx)
return NULL;
LIST_INITHEAD(&vtx->list);
return vtx;
@@ -88,7 +88,7 @@ static struct r600_bytecode_tex *r600_bytecode_tex(void)
{
struct r600_bytecode_tex *tex = CALLOC_STRUCT(r600_bytecode_tex);
if (tex == NULL)
if (!tex)
return NULL;
LIST_INITHEAD(&tex->list);
return tex;
@@ -157,7 +157,7 @@ int r600_bytecode_add_cf(struct r600_bytecode *bc)
{
struct r600_bytecode_cf *cf = r600_bytecode_cf();
if (cf == NULL)
if (!cf)
return -ENOMEM;
LIST_ADDTAIL(&cf->list, &bc->cf);
if (bc->cf_last) {
@@ -1148,7 +1148,7 @@ int r600_bytecode_add_alu_type(struct r600_bytecode *bc,
struct r600_bytecode_alu *lalu;
int i, r;
if (nalu == NULL)
if (!nalu)
return -ENOMEM;
memcpy(nalu, alu, sizeof(struct r600_bytecode_alu));
@@ -1309,7 +1309,7 @@ int r600_bytecode_add_vtx(struct r600_bytecode *bc, const struct r600_bytecode_v
struct r600_bytecode_vtx *nvtx = r600_bytecode_vtx();
int r;
if (nvtx == NULL)
if (!nvtx)
return -ENOMEM;
memcpy(nvtx, vtx, sizeof(struct r600_bytecode_vtx));
@@ -1361,7 +1361,7 @@ int r600_bytecode_add_tex(struct r600_bytecode *bc, const struct r600_bytecode_t
struct r600_bytecode_tex *ntex = r600_bytecode_tex();
int r;
if (ntex == NULL)
if (!ntex)
return -ENOMEM;
memcpy(ntex, tex, sizeof(struct r600_bytecode_tex));
@@ -2420,7 +2420,7 @@ void *r600_create_vertex_fetch_shader(struct pipe_context *ctx,
&format, &num_format, &format_comp, &endian);
desc = util_format_description(elements[i].src_format);
if (desc == NULL) {
if (!desc) {
r600_bytecode_clear(&bc);
R600_ERR("unknown format %d\n", elements[i].src_format);
return NULL;