Sprinkle igt_assert(ptr) after gem_mmap__{cpu,gtt,wc}

Do the following
 ptr = gem_mmap__{cpu,gtt,wc}()
+igt_assert(ptr);

whenever the code doesn't handle the NULL ptr in any kind of
specific way.

Makes it easier to move the assert into gem_mmap__{cpu,gtt,wc}() itself.

Mostly done with coccinelle, with some manual cleanups:
@@
identifier I;
@@
<... when != igt_assert(I)
     when != igt_require(I)
     when != igt_require_f(I, ...)
     when != I != NULL
     when != I == NULL
(
  I = gem_mmap__gtt(...);
+ igt_assert(I);
|
  I = gem_mmap__cpu(...);
+ igt_assert(I);
|
  I = gem_mmap__wc(...);
+ igt_assert(I);
)
...>

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Stochastically-reviwewed-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Ville Syrjälä
2015-10-09 18:19:34 +03:00
parent 91d295cf06
commit 7eaae3c201
23 changed files with 77 additions and 9 deletions
+8
View File
@@ -113,7 +113,9 @@ static void as_gtt_mmap(int fd, uint32_t src, uint32_t dst, void *buf, int len,
BUILD_EXEC;
src_ptr = gem_mmap__gtt(fd, src, OBJECT_SIZE, PROT_WRITE);
igt_assert(src_ptr);
dst_ptr = gem_mmap__gtt(fd, dst, OBJECT_SIZE, PROT_READ);
igt_assert(dst_ptr);
while (loops--) {
gem_set_domain(fd, src,
@@ -138,7 +140,9 @@ static void as_cpu_mmap(int fd, uint32_t src, uint32_t dst, void *buf, int len,
BUILD_EXEC;
src_ptr = gem_mmap__cpu(fd, src, 0, OBJECT_SIZE, PROT_WRITE);
igt_assert(src_ptr);
dst_ptr = gem_mmap__cpu(fd, dst, 0, OBJECT_SIZE, PROT_READ);
igt_assert(dst_ptr);
while (loops--) {
gem_set_domain(fd, src,
@@ -183,7 +187,9 @@ static void test_as_gtt_mmap(int fd, uint32_t src, uint32_t dst, int len)
BUILD_EXEC;
src_ptr = gem_mmap__gtt(fd, src, OBJECT_SIZE, PROT_WRITE);
igt_assert(src_ptr);
dst_ptr = gem_mmap__gtt(fd, dst, OBJECT_SIZE, PROT_READ);
igt_assert(dst_ptr);
gem_set_domain(fd, src, I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT);
for (i = 0; i < len/4; i++)
@@ -207,7 +213,9 @@ static void test_as_cpu_mmap(int fd, uint32_t src, uint32_t dst, int len)
BUILD_EXEC;
src_ptr = gem_mmap__cpu(fd, src, 0, OBJECT_SIZE, PROT_WRITE);
igt_assert(src_ptr);
dst_ptr = gem_mmap__cpu(fd, dst, 0, OBJECT_SIZE, PROT_READ);
igt_assert(dst_ptr);
gem_set_domain(fd, src, I915_GEM_DOMAIN_CPU, I915_GEM_DOMAIN_CPU);
for (i = 0; i < len/4; i++)