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| author | Vittorio Giovara <vittorio.giovara@gmail.com> | 2014-12-17 15:19:43 +0100 |
|---|---|---|
| committer | Vittorio Giovara <vittorio.giovara@gmail.com> | 2014-12-18 23:27:14 +0100 |
| commit | 63be97ec403023fb664798432acedaf6e6922527 (patch) | |
| tree | faba23abd1d152d41b6d7c54617eea6d05a19d90 /libavfilter/vf_scale.c | |
| parent | 9e06327ecb8f73c7904d10af7ad339c57cdaa788 (diff) | |
lavfi: always check av_expr_parse_and_eval() return value
CC: libav-stable@libav.org
Bug-Id: CID 703624
Diffstat (limited to 'libavfilter/vf_scale.c')
| -rw-r--r-- | libavfilter/vf_scale.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/libavfilter/vf_scale.c b/libavfilter/vf_scale.c index 73ea9d23e0..2b9e7e839b 100644 --- a/libavfilter/vf_scale.c +++ b/libavfilter/vf_scale.c @@ -177,9 +177,10 @@ static int config_props(AVFilterLink *outlink) var_values[VAR_VSUB] = 1 << desc->log2_chroma_h; /* evaluate width and height */ - av_expr_parse_and_eval(&res, (expr = scale->w_expr), - var_names, var_values, - NULL, NULL, NULL, NULL, NULL, 0, ctx); + if ((ret = av_expr_parse_and_eval(&res, (expr = scale->w_expr), + var_names, var_values, + NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0) + goto fail; scale->w = var_values[VAR_OUT_W] = var_values[VAR_OW] = res; if ((ret = av_expr_parse_and_eval(&res, (expr = scale->h_expr), var_names, var_values, |