[Mesa-dev] [PATCH 17/20] i965: Check calloc return value in gather_statistics_results()

[Juha-Pekka Heikkila]

Check calloc return value and report on error, also later skip
results handling if there was no memory to store results to.

Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila at gmail.com>
---
 src/mesa/drivers/dri/i965/brw_performance_monitor.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/mesa/drivers/dri/i965/brw_performance_monitor.c b/src/mesa/drivers/dri/i965/brw_performance_monitor.c
index ff3cb97..da85cce 100644
--- a/src/mesa/drivers/dri/i965/brw_performance_monitor.c
+++ b/src/mesa/drivers/dri/i965/brw_performance_monitor.c
@@ -610,6 +610,10 @@ gather_statistics_results(struct brw_context *brw,
       ctx->PerfMonitor.Groups[PIPELINE_STATS_COUNTERS].NumCounters;
 
    monitor->pipeline_stats_results = calloc(num_counters, sizeof(uint64_t));
+   if (monitor->pipeline_stats_results == NULL) {
+      _mesa_error_no_memory(__func__);
+      return;
+   }
 
    drm_intel_bo_map(monitor->pipeline_stats_bo, false);
    uint64_t *start = monitor->pipeline_stats_bo->virtual;
@@ -1321,7 +1325,8 @@ brw_get_perf_monitor_result(struct gl_context *ctx,
       if (!monitor->pipeline_stats_results)
          gather_statistics_results(brw, monitor);
 
-      for (int i = 0; i < num_counters; i++) {
+      for (int i = 0; i < num_counters
+           && monitor->pipeline_stats_results != NULL; i++) {
          if (BITSET_TEST(m->ActiveCounters[PIPELINE_STATS_COUNTERS], i)) {
             data[offset++] = PIPELINE_STATS_COUNTERS;
             data[offset++] = i;
-- 
1.8.1.2