diff options
| -rw-r--r-- | src/gallium/auxiliary/rtasm/rtasm_execmem.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/src/gallium/auxiliary/rtasm/rtasm_execmem.c b/src/gallium/auxiliary/rtasm/rtasm_execmem.c index edc1b66e836..8c3dbefd109 100644 --- a/src/gallium/auxiliary/rtasm/rtasm_execmem.c +++ b/src/gallium/auxiliary/rtasm/rtasm_execmem.c @@ -69,7 +69,7 @@ static struct mem_block *exec_heap = NULL; static unsigned char *exec_mem = NULL; -static void +static int init_heap(void) { if (!exec_heap) @@ -79,6 +79,8 @@ init_heap(void) exec_mem = (unsigned char *) mmap(0, EXEC_HEAP_SIZE, PROT_EXEC | PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); + + return (exec_mem != MAP_FAILED); } @@ -90,7 +92,8 @@ rtasm_exec_malloc(size_t size) pipe_mutex_lock(exec_mutex); - init_heap(); + if (!init_heap()) + goto bail; if (exec_heap) { size = (size + 31) & ~31; /* next multiple of 32 bytes */ @@ -101,7 +104,8 @@ rtasm_exec_malloc(size_t size) addr = exec_mem + block->ofs; else debug_printf("rtasm_exec_malloc failed\n"); - + +bail: pipe_mutex_unlock(exec_mutex); return addr; |