[PATCH] iphlpapi: Fix potential crash in IcmpCloseHandle
Tim Crawford
tcrawford at datto.com
Wed Dec 16 19:26:21 CST 2015
Handle case when IcmpCloseHandle is passed a NULL handle.
Signed-off-by: Tim Crawford <tcrawford at datto.com>
---
dlls/iphlpapi/icmp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/dlls/iphlpapi/icmp.c b/dlls/iphlpapi/icmp.c
index ebc2f2b..8cba237 100644
--- a/dlls/iphlpapi/icmp.c
+++ b/dlls/iphlpapi/icmp.c
@@ -241,7 +241,7 @@ HANDLE WINAPI IcmpCreateFile(VOID)
BOOL WINAPI IcmpCloseHandle(HANDLE IcmpHandle)
{
icmp_t* icp=(icmp_t*)IcmpHandle;
- if (IcmpHandle==INVALID_HANDLE_VALUE) {
+ if (IcmpHandle==INVALID_HANDLE_VALUE || IcmpHandle==NULL) {
/* FIXME: in fact win98 seems to ignore the handle value !!! */
SetLastError(ERROR_INVALID_HANDLE);
return FALSE;
--
2.5.0
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