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lavfi/hue: set to NULL freed pointers

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Possibly safer.
This commit is contained in:
Stefano Sabatini 2012-09-21 12:41:00 +02:00
parent 31aa5b1a78
commit 3aa1b53256
1 changed files with 2 additions and 1 deletions
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3
libavfilter/vf_hue.c
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@ -118,8 +118,9 @@ static inline void compute_sin_and_cos(HueContext *hue)
hue->attr##_pexpr = old_##attr##_pexpr; \ hue->attr##_pexpr = old_##attr##_pexpr; \
return AVERROR(EINVAL); \ return AVERROR(EINVAL); \
} else if (old_##attr##_pexpr) { \ } else if (old_##attr##_pexpr) { \
av_free(old_##attr##_expr); \ av_freep(&old_##attr##_expr); \
av_expr_free(old_##attr##_pexpr); \ av_expr_free(old_##attr##_pexpr); \
old_##attr##_pexpr = NULL; \
} \ } \
} while (0) } while (0)