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lcl: return negative error codes on decode_init() errors. 

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
This commit is contained in:
Ronald S. Bultje 2012-02-29 17:50:28 -08:00
parent 984b914c55
commit bd17a40a7e
1 changed files with 7 additions and 7 deletions
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14
libavcodec/lcldec.c
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@ -481,7 +481,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
if (avctx->extradata_size < 8) {
av_log(avctx, AV_LOG_ERROR, "Extradata size too small.\n");
return 1;
return AVERROR_INVALIDDATA;
}
/* Check codec type */
@ -530,7 +530,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
break;
default:
av_log(avctx, AV_LOG_ERROR, "Unsupported image format %d.\n", c->imgtype);
return 1;
return AVERROR_INVALIDDATA;
}
/* Detect compression method */
@ -547,7 +547,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
break;
default:
av_log(avctx, AV_LOG_ERROR, "Unsupported compression format for MSZH (%d).\n", c->compression);
return 1;
return AVERROR_INVALIDDATA;
}
break;
#if CONFIG_ZLIB_DECODER
@ -565,7 +565,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
default:
if (c->compression < Z_NO_COMPRESSION || c->compression > Z_BEST_COMPRESSION) {
av_log(avctx, AV_LOG_ERROR, "Unsupported compression level for ZLIB: (%d).\n", c->compression);
return 1;
return AVERROR_INVALIDDATA;
}
av_log(avctx, AV_LOG_DEBUG, "Compression level for ZLIB: (%d).\n", c->compression);
}
@ -573,14 +573,14 @@ static av_cold int decode_init(AVCodecContext *avctx)
#endif
default:
av_log(avctx, AV_LOG_ERROR, "BUG! Unknown codec in compression switch.\n");
return 1;
return AVERROR_INVALIDDATA;
}
/* Allocate decompression buffer */
if (c->decomp_size) {
if ((c->decomp_buf = av_malloc(max_decomp_size)) == NULL) {
av_log(avctx, AV_LOG_ERROR, "Can't allocate decompression buffer.\n");
return 1;
return AVERROR(ENOMEM);
}
}
@ -606,7 +606,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
if (zret != Z_OK) {
av_log(avctx, AV_LOG_ERROR, "Inflate init error: %d\n", zret);
av_freep(&c->decomp_buf);
return 1;
return AVERROR_UNKNOWN;
}
}
#endif