From 9da96d8b6908dbec55bd9657f7edc8a4f16a90ee Mon Sep 17 00:00:00 2001 From: Andreas Rheinhardt Date: Wed, 10 Mar 2021 18:08:10 +0100 Subject: [PATCH] dnn/dnn_backend_native_layer_conv2d: Check thread creation for errors Fixes Coverity issue #1473533. Reviewed-by: Guo, Yejun Signed-off-by: Andreas Rheinhardt --- libavfilter/dnn/dnn_backend_native_layer_conv2d.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/libavfilter/dnn/dnn_backend_native_layer_conv2d.c b/libavfilter/dnn/dnn_backend_native_layer_conv2d.c index f3e9ce3fd9..614e300046 100644 --- a/libavfilter/dnn/dnn_backend_native_layer_conv2d.c +++ b/libavfilter/dnn/dnn_backend_native_layer_conv2d.c @@ -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 }