On 07/24/2017 06:42 PM, Vinson Lee wrote:
Fix Coverity unchecked return value defect.

CID: 1415101
Signed-off-by: Vinson Lee <v...@freedesktop.org>
---
  tests/glx/glx-multithread-clearbuffer.c | 11 ++++++++---
  1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/tests/glx/glx-multithread-clearbuffer.c 
b/tests/glx/glx-multithread-clearbuffer.c
index 577fde842435..da301089f2a6 100644
--- a/tests/glx/glx-multithread-clearbuffer.c
+++ b/tests/glx/glx-multithread-clearbuffer.c
@@ -82,6 +82,7 @@ main(int argc, char **argv)
  {
        /* Need at least 16 contexts to congest the thread queue. */
        pthread_t thread[16];
+       bool pass = true;

        XInitThreads();

@@ -90,11 +91,15 @@ main(int argc, char **argv)
        for (int i = 0; i < ARRAY_SIZE(thread); i++)
                pthread_create(&thread[i], NULL, thread_func, NULL);

-       for (int i = 0; i < ARRAY_SIZE(thread); i++)
-               pthread_join(thread[i], NULL);
+       for (int i = 0; i < ARRAY_SIZE(thread); i++) {
+               int err = pthread_join(thread[i], NULL);
+
+               if (err)
+                       pass = false;

Normally, I'd probably write it as:

        if (pthread_join(thread[i], NULL) != 0)
                pass = false;

but if one were debugging with gdb, the err var would be helpful.


+       }

        pthread_mutex_destroy(&mutex);

-       piglit_report_result(PIGLIT_PASS);
+       piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
        return 0;
  }


Reviewed-by: Brian Paul <bri...@vmware.com>

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