[FFmpeg-devel] swscale: fix style issues and check malloc in ff_shuffle_filter_coefficients

[Andreas Rheinhardt]

Lynne:
> 
> +        if (filterSize > 4) {
> +            int16_t *tmp2 = av_malloc(dstW * filterSize * 2);
> +            if (!tmp2)
> +                return AVERROR(ENOMEM);
> +
> +            memcpy(tmp2, filter, dstW * filterSize * 2);

Could use av_memdup().

- Andreas