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dnn/dnn_backend_native_layer_conv2d: Check thread creation for errors 

Fixes Coverity issue #1473533.

Reviewed-by: Guo, Yejun <yejun.guo@intel.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
This commit is contained in:
Andreas Rheinhardt 2021-03-10 18:08:10 +01:00
parent c2fef8f16c
commit 9da96d8b69
1 changed files with 10 additions and 3 deletions
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13
libavfilter/dnn/dnn_backend_native_layer_conv2d.c
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@ -190,7 +190,7 @@ int ff_dnn_execute_layer_conv2d(DnnOperand *operands, const int32_t *input_opera
#if HAVE_PTHREAD_CANCEL
int thread_num = (ctx->options.conv2d_threads <= 0 || ctx->options.conv2d_threads > av_cpu_count())
? (av_cpu_count() + 1) : (ctx->options.conv2d_threads);
int thread_stride;
int ret = DNN_SUCCESS, thread_stride;
ThreadParam *thread_param;
#else
ThreadParam thread_param = { 0 };
@ -236,7 +236,12 @@ int ff_dnn_execute_layer_conv2d(DnnOperand *operands, const int32_t *input_opera
thread_param[i].thread_common_param = &thread_common_param;
thread_param[i].thread_start = thread_stride * i + pad_size;
thread_param[i].thread_end = (i == thread_num - 1) ? (height - pad_size) : (thread_param[i].thread_start + thread_stride);
pthread_create(&thread_param[i].thread, NULL, dnn_execute_layer_conv2d_thread, &thread_param[i]);
if (pthread_create(&thread_param[i].thread, NULL,
dnn_execute_layer_conv2d_thread, &thread_param[i])) {
thread_num = i;
ret = DNN_ERROR;
break;
}
}
//join threads, res gets function return
@ -246,12 +251,14 @@ int ff_dnn_execute_layer_conv2d(DnnOperand *operands, const int32_t *input_opera
//release memory
av_freep(&thread_param);
return ret;
#else
thread_param.thread_common_param = &thread_common_param;
thread_param.thread_start = pad_size;
thread_param.thread_end = height - pad_size;
dnn_execute_layer_conv2d_thread(&thread_param);
#endif
return DNN_SUCCESS;
#endif
}