Fix image tool compile warnings

diff --git a/btrfs-image.c b/btrfs-image.c
index 7499a5e..9925bdb 100644 (file)
--- a/btrfs-image.c
+++ b/btrfs-image.c
@@ -216,8 +216,9 @@ static void *dump_worker(void *data)
                        async->bufsize = compressBound(async->size);
                        async->buffer = malloc(async->bufsize);
 
-                       ret = compress2(async->buffer, &async->bufsize, orig,
-                                       async->size, md->compress_level);
+                       ret = compress2(async->buffer,
+                                        (unsigned long *)&async->bufsize,
+                                        orig, async->size, md->compress_level);
                        BUG_ON(ret != Z_OK);
 
                        free(orig);
@@ -595,8 +596,8 @@ static void *restore_worker(void *data)
 
                if (mdres->compress_method == COMPRESS_ZLIB) {
                        size = MAX_PENDING_SIZE * 2;
-                       ret = uncompress(buffer, &size, async->buffer,
-                                        async->bufsize);
+                       ret = uncompress(buffer, (unsigned long *)&size,
+                                        async->buffer, async->bufsize);
                        BUG_ON(ret != Z_OK);
                        outbuf = buffer;
                } else {