Drop some pointless void* return value casts from av_malloc() invocations.

libavcodec/imgconvert.c

@@ -1000,7 +1000,7 @@ static void deinterlace_bottom_field_inplace(uint8_t *src1, int src_wrap,
     uint8_t *src_m1, *src_0, *src_p1, *src_p2;
     int y;
     uint8_t *buf;
-    buf = (uint8_t*)av_malloc(width);
+    buf = av_malloc(width);
 
     src_m1 = src1;
     memcpy(buf,src_m1,width);

libavcodec/snow.c

@@ -516,9 +516,9 @@ static void halfpel_interpol(SnowContext *s, uint8_t *halfpel[4][4], AVFrame *fr
         int ls= frame->linesize[p];
         uint8_t *src= frame->data[p];
 
-        halfpel[1][p]= (uint8_t*)av_malloc(ls * (h+2*EDGE_WIDTH)) + EDGE_WIDTH*(1+ls);
-        halfpel[2][p]= (uint8_t*)av_malloc(ls * (h+2*EDGE_WIDTH)) + EDGE_WIDTH*(1+ls);
-        halfpel[3][p]= (uint8_t*)av_malloc(ls * (h+2*EDGE_WIDTH)) + EDGE_WIDTH*(1+ls);
+        halfpel[1][p] = av_malloc(ls * (h + 2 * EDGE_WIDTH)) + EDGE_WIDTH * (1 + ls);
+        halfpel[2][p] = av_malloc(ls * (h + 2 * EDGE_WIDTH)) + EDGE_WIDTH * (1 + ls);
+        halfpel[3][p] = av_malloc(ls * (h + 2 * EDGE_WIDTH)) + EDGE_WIDTH * (1 + ls);
 
         halfpel[0][p]= src;
         for(y=0; y<h; y++){

libavformat/rmenc.c

@@ -355,7 +355,7 @@ static int rm_write_audio(AVFormatContext *s, const uint8_t *buf, int size, int
     int i;
 
     /* XXX: suppress this malloc */
-    buf1= (uint8_t*) av_malloc( size * sizeof(uint8_t) );
+    buf1 = av_malloc(size * sizeof(uint8_t));
 
     write_packet_header(s, stream, size, !!(flags & AV_PKT_FLAG_KEY));
 

libswscale/colorspace-test.c

@@ -36,8 +36,8 @@
 int main(int argc, char **argv)
 {
     int i, funcNum;
-    uint8_t *srcBuffer= (uint8_t*)av_malloc(SIZE);
-    uint8_t *dstBuffer= (uint8_t*)av_malloc(SIZE);
+    uint8_t *srcBuffer = av_malloc(SIZE);
+    uint8_t *dstBuffer = av_malloc(SIZE);
     int failedNum=0;
     int passedNum=0;