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Re: [Qemu-devel] [PATCH v2 2/5] libqos: Allow calling guest_free on NULL


From: John Snow
Subject: Re: [Qemu-devel] [PATCH v2 2/5] libqos: Allow calling guest_free on NULL pointer
Date: Fri, 24 Apr 2015 16:01:35 -0400
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0



On 04/24/2015 07:35 AM, Fam Zheng wrote:
Signed-off-by: Fam Zheng <address@hidden>
---
  tests/libqos/malloc.c | 3 +++
  1 file changed, 3 insertions(+)

diff --git a/tests/libqos/malloc.c b/tests/libqos/malloc.c
index 67f3190..c15be89 100644
--- a/tests/libqos/malloc.c
+++ b/tests/libqos/malloc.c
@@ -283,6 +283,9 @@ uint64_t guest_alloc(QGuestAllocator *allocator, size_t 
size)

  void guest_free(QGuestAllocator *allocator, uint64_t addr)
  {
+    if (!addr) {
+        return;
+    }
      mlist_free(allocator, addr);
      if (allocator->opts & ALLOC_PARANOID) {
          mlist_check(allocator);


Reviewed-by: John Snow <address@hidden>



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