From 81c615f0feb2a871b75c7fa6d895e7e92a570f7c Mon Sep 17 00:00:00 2001 From: Zhong Li Date: Mon, 20 Nov 2017 04:14:33 -0500 Subject: [PATCH] lavf/qsv_overlay: check the return value of ff_formats_ref() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Fixes the build warning of "ignoring return value of ‘ff_formats_ref’, declared with attribute warn_unused_result" Signed-off-by: Zhong Li Reviewed-by: Carl Eugen Hoyos Signed-off-by: Mark Thompson --- libavfilter/vf_overlay_qsv.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/libavfilter/vf_overlay_qsv.c b/libavfilter/vf_overlay_qsv.c index 1f50d4bb21..6c3efdbeb5 100644 --- a/libavfilter/vf_overlay_qsv.c +++ b/libavfilter/vf_overlay_qsv.c @@ -415,6 +415,7 @@ static void overlay_qsv_uninit(AVFilterContext *ctx) static int overlay_qsv_query_formats(AVFilterContext *ctx) { int i; + int ret; static const enum AVPixelFormat main_in_fmts[] = { AV_PIX_FMT_YUV420P, @@ -430,10 +431,15 @@ static int overlay_qsv_query_formats(AVFilterContext *ctx) AV_PIX_FMT_NONE }; - for (i = 0; i < ctx->nb_inputs; i++) - ff_formats_ref(ff_make_format_list(main_in_fmts), &ctx->inputs[i]->out_formats); + for (i = 0; i < ctx->nb_inputs; i++) { + ret = ff_formats_ref(ff_make_format_list(main_in_fmts), &ctx->inputs[i]->out_formats); + if (ret < 0) + return ret; + } - ff_formats_ref(ff_make_format_list(out_pix_fmts), &ctx->outputs[0]->in_formats); + ret = ff_formats_ref(ff_make_format_list(out_pix_fmts), &ctx->outputs[0]->in_formats); + if (ret < 0) + return ret; return 0; }