avcodec: Use av_reallocp where suitable

[ffmpeg] / libavcodec / flashsv.c

diff --git a/libavcodec/flashsv.c b/libavcodec/flashsv.c
index a6e8dae7d247b72b3e9bf2da3b877b7476ab5be8..de7979c9761b7a903e15909273dc27ea85d44131 100644 (file)
--- a/libavcodec/flashsv.c
+++ b/libavcodec/flashsv.c
@@ -296,13 +296,13 @@ static int flashsv_decode_frame(AVCodecContext *avctx, void *data,
     /* the block size could change between frames, make sure the buffer
      * is large enough, if not, get a larger one */
     if (s->block_size < s->block_width * s->block_height) {
-        int tmpblock_size = 3 * s->block_width * s->block_height;
+        int tmpblock_size = 3 * s->block_width * s->block_height, err;
 
-        s->tmpblock = av_realloc(s->tmpblock, tmpblock_size);
-        if (!s->tmpblock) {
+        if ((err = av_reallocp(&s->tmpblock, tmpblock_size)) < 0) {
+            s->block_size = 0;
             av_log(avctx, AV_LOG_ERROR,
                    "Cannot allocate decompression buffer.\n");
-            return AVERROR(ENOMEM);
+            return err;
         }
         if (s->ver == 2) {
             s->deflate_block_size = calc_deflate_block_size(tmpblock_size);
@@ -311,12 +311,10 @@ static int flashsv_decode_frame(AVCodecContext *avctx, void *data,
                        "Cannot determine deflate buffer size.\n");
                 return -1;
             }
-            s->deflate_block = av_realloc(s->deflate_block,
-                                          s->deflate_block_size);
-            if (!s->deflate_block) {
-                av_log(avctx, AV_LOG_ERROR,
-                       "Cannot allocate deflate buffer.\n");
-                return AVERROR(ENOMEM);
+            if ((err = av_reallocp(&s->deflate_block, s->deflate_block_size)) < 0) {
+                s->block_size = 0;
+                av_log(avctx, AV_LOG_ERROR, "Cannot allocate deflate buffer.\n");
+                return err;
             }
         }
     }
@@ -340,11 +338,13 @@ static int flashsv_decode_frame(AVCodecContext *avctx, void *data,
     /* we care for keyframes only in Screen Video v2 */
     s->is_keyframe = (avpkt->flags & AV_PKT_FLAG_KEY) && (s->ver == 2);
     if (s->is_keyframe) {
-        s->keyframedata = av_realloc(s->keyframedata, avpkt->size);
+        int err;
+        if ((err = av_reallocp(&s->keyframedata, avpkt->size)) < 0)
+            return err;
         memcpy(s->keyframedata, avpkt->data, avpkt->size);
-        s->blocks = av_realloc(s->blocks,
-                               (v_blocks + !!v_part) * (h_blocks + !!h_part) *
-                               sizeof(s->blocks[0]));
+        if ((err = av_reallocp(&s->blocks, (v_blocks + !!v_part) *
+                               (h_blocks + !!h_part) * sizeof(s->blocks[0]))) < 0)
+            return err;
     }
 
     av_dlog(avctx, "image: %dx%d block: %dx%d num: %dx%d part: %dx%d\n",