fixing free

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@707 c046a42c-6fe2-441c-8c8c-71466251a162

fixing free
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@707 c046a42c-6fe2-441c-8c8c-71466251a162
57c30724 · bellard · 73332e5c · 57c30724
隐藏空白更改
内联并排

Showing with 2 addition and 0 deletion

osdep.c osdep.c +2 -0

未找到文件。
--- a/osdep.c
+++ b/osdep.c
@@ -235,6 +235,8 @@ void qemu_free(void *ptr)
 {
    MemoryBlock *mb;
+    if (!ptr)
+        return;
    mb = (MemoryBlock *)((uint8_t *)ptr - BLOCK_HEADER_SIZE);
    mb->next = first_free_block;
    first_free_block = mb;