avfilter/vf_zscale: fix typo

[ffmpeg] / libavfilter / vf_paletteuse.c

diff --git a/libavfilter/vf_paletteuse.c b/libavfilter/vf_paletteuse.c
index f8350ac5856d1b628026142112a37694b34e263c..1225a660bb467bfede5f94f28131cfc505d67ddf 100644 (file)
--- a/libavfilter/vf_paletteuse.c
+++ b/libavfilter/vf_paletteuse.c
@@ -132,6 +132,7 @@ static int query_formats(AVFilterContext *ctx)
     static const enum AVPixelFormat in_fmts[]    = {AV_PIX_FMT_RGB32, AV_PIX_FMT_NONE};
     static const enum AVPixelFormat inpal_fmts[] = {AV_PIX_FMT_RGB32, AV_PIX_FMT_NONE};
     static const enum AVPixelFormat out_fmts[]   = {AV_PIX_FMT_PAL8,  AV_PIX_FMT_NONE};
+    int ret;
     AVFilterFormats *in    = ff_make_format_list(in_fmts);
     AVFilterFormats *inpal = ff_make_format_list(inpal_fmts);
     AVFilterFormats *out   = ff_make_format_list(out_fmts);
@@ -141,9 +142,10 @@ static int query_formats(AVFilterContext *ctx)
         av_freep(&out);
         return AVERROR(ENOMEM);
     }
-    ff_formats_ref(in,    &ctx->inputs[0]->out_formats);
-    ff_formats_ref(inpal, &ctx->inputs[1]->out_formats);
-    ff_formats_ref(out,   &ctx->outputs[0]->in_formats);
+    if ((ret = ff_formats_ref(in   , &ctx->inputs[0]->out_formats)) < 0 ||
+        (ret = ff_formats_ref(inpal, &ctx->inputs[1]->out_formats)) < 0 ||
+        (ret = ff_formats_ref(out  , &ctx->outputs[0]->in_formats)) < 0)
+        return ret;
     return 0;
 }