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i965,i915: Return early if miptree allocation fails

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If allocation fails in intel_miptree_create_layout(), don't proceed to
dereference the miptree. Return an early NULL.

Fixes static analysis error reported by Klocwork.

Note: This is a candidate for the 9.1 branch.
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
Signed-off-by: Chad Versace <chad.versace@linux.intel.com>
This commit is contained in:
Chad Versace 2013-06-26 13:53:15 -07:00
parent 670f829102
commit 6b676e6634
2 changed files with 4 additions and 0 deletions
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2
src/mesa/drivers/dri/i915/intel_mipmap_tree.c
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@ -260,6 +260,8 @@ intel_miptree_create_layout(struct intel_context *intel,
GLuint num_samples)
{
struct intel_mipmap_tree *mt = calloc(sizeof(*mt), 1);
if (!mt)
return NULL;
DBG("%s target %s format %s level %d..%d <-- %p\n", __FUNCTION__,
_mesa_lookup_enum_by_nr(target),

2
src/mesa/drivers/dri/i965/intel_mipmap_tree.c
View file

@ -260,6 +260,8 @@ intel_miptree_create_layout(struct intel_context *intel,
GLuint num_samples)
{
struct intel_mipmap_tree *mt = calloc(sizeof(*mt), 1);
if (!mt)
return NULL;
DBG("%s target %s format %s level %d..%d <-- %p\n", __FUNCTION__,
_mesa_lookup_enum_by_nr(target),