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| author | Stefano Sabatini <stefano.sabatini-lala@poste.it> | 2011-03-30 21:30:31 +0200 |
|---|---|---|
| committer | Anton Khirnov <anton@khirnov.net> | 2011-04-25 22:45:44 +0200 |
| commit | f80b381bfd956e4470bdbc1854f88cf3ea0764a9 (patch) | |
| tree | fcaa20dd62957789dc3946daa58e7b0f5fb1d449 /libavfilter/graphparser.c | |
| parent | c61bfc113ae8c562e33734acc58299e4b01fe649 (diff) | |
graphparser: add a NULL check on the argument passed to strstr
Fix crash in create_filter() which occurrs if a scale filter with no
args is provided.
Signed-off-by: Anton Khirnov <anton@khirnov.net>
Diffstat (limited to 'libavfilter/graphparser.c')
| -rw-r--r-- | libavfilter/graphparser.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavfilter/graphparser.c b/libavfilter/graphparser.c index dddb0a2070..00fb57ad57 100644 --- a/libavfilter/graphparser.c +++ b/libavfilter/graphparser.c @@ -121,7 +121,7 @@ static int create_filter(AVFilterContext **filt_ctx, AVFilterGraph *ctx, int ind return ret; } - if (!strcmp(filt_name, "scale") && !strstr(args, "flags")) { + if (!strcmp(filt_name, "scale") && args && !strstr(args, "flags")) { snprintf(tmp_args, sizeof(tmp_args), "%s:%s", args, ctx->scale_sws_opts); args = tmp_args; |