gitignore qemu-options.texi

[qemu] / block-cow.c

diff --git a/block-cow.c b/block-cow.c
index b9a1971..17e3292 100644 (file)
--- a/block-cow.c
+++ b/block-cow.c
@@ -95,10 +95,10 @@ static int cow_open(BlockDriverState *bs, const char *filename, int flags)
 
     /* mmap the bitmap */
     s->cow_bitmap_size = ((bs->total_sectors + 7) >> 3) + sizeof(cow_header);
-    s->cow_bitmap_addr = mmap(get_mmap_addr(s->cow_bitmap_size),
-                              s->cow_bitmap_size,
-                              PROT_READ | PROT_WRITE,
-                              MAP_SHARED, s->fd, 0);
+    s->cow_bitmap_addr = (void *)mmap(get_mmap_addr(s->cow_bitmap_size),
+                                      s->cow_bitmap_size,
+                                      PROT_READ | PROT_WRITE,
+                                      MAP_SHARED, s->fd, 0);
     if (s->cow_bitmap_addr == MAP_FAILED)
         goto fail;
     s->cow_bitmap = s->cow_bitmap_addr + sizeof(cow_header);
@@ -197,7 +197,7 @@ static int cow_write(BlockDriverState *bs, int64_t sector_num,
 static void cow_close(BlockDriverState *bs)
 {
     BDRVCowState *s = bs->opaque;
-    munmap(s->cow_bitmap_addr, s->cow_bitmap_size);
+    munmap((void *)s->cow_bitmap_addr, s->cow_bitmap_size);
     close(s->fd);
 }