adxdec: Validate channel count to fix a division by zero.

13 years ago · 6fd075f180
parent 4f1a787744
commit 6fd075f180
1 changed files with 1 additions and 1 deletions
--- a/libavcodec/adx.c
+++ b/libavcodec/adx.c
@ -58,7 +58,7 @@ int avpriv_adx_decode_header(AVCodecContext *avctx, const uint8_t *buf,

    /* channels */
    avctx->channels = buf[7];
-    if (avctx->channels > 2)
+    if (avctx->channels <= 0 || avctx->channels > 2)
        return AVERROR_INVALIDDATA;

    /* sample rate */