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Guard radeon_mem_release and radeon_mem_takedown against null heaps.

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This commit is contained in:
Keith Whitwell 2002-09-23 10:43:02 +00:00
parent 1d22386aff
commit 94fa5fe14a
2 changed files with 12 additions and 0 deletions
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6
shared-core/radeon_mem.c
View file

@ -174,6 +174,9 @@ void radeon_mem_release( struct mem_block *heap )
int pid = DRM_CURRENTPID;
struct mem_block *p;
if (!heap || !heap->next)
return;
for (p = heap->next ; p != heap ; p = p->next) {
if (p->pid == pid)
p->pid = 0;
@ -198,6 +201,9 @@ void radeon_mem_release( struct mem_block *heap )
void radeon_mem_takedown( struct mem_block **heap )
{
struct mem_block *p;
if (!*heap)
return;
for (p = (*heap)->next ; p != *heap ; ) {
struct mem_block *q = p;

6
shared/radeon_mem.c
View file

@ -174,6 +174,9 @@ void radeon_mem_release( struct mem_block *heap )
int pid = DRM_CURRENTPID;
struct mem_block *p;
if (!heap || !heap->next)
return;
for (p = heap->next ; p != heap ; p = p->next) {
if (p->pid == pid)
p->pid = 0;
@ -198,6 +201,9 @@ void radeon_mem_release( struct mem_block *heap )
void radeon_mem_takedown( struct mem_block **heap )
{
struct mem_block *p;
if (!*heap)
return;
for (p = (*heap)->next ; p != *heap ; ) {
struct mem_block *q = p;