Stefan Leichter : dbghelp: Add a null check for optional output parameter for function SymFromAddr.
Alexandre Julliard
julliard at winehq.org
Fri Jan 10 14:44:57 CST 2014
Module: wine
Branch: stable
Commit: 1cfe8fb3b2dacdd2e051d5dfd68cc3a11b4b6b07
URL: http://source.winehq.org/git/wine.git/?a=commit;h=1cfe8fb3b2dacdd2e051d5dfd68cc3a11b4b6b07
Author: Stefan Leichter <Stefan.Leichter at camline.com>
Date: Sun Dec 1 22:07:20 2013 +0100
dbghelp: Add a null check for optional output parameter for function SymFromAddr.
(cherry picked from commit 89832cde4eb2e8d2dc9570cf4840fcaff19b8429)
---
dlls/dbghelp/symbol.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/dlls/dbghelp/symbol.c b/dlls/dbghelp/symbol.c
index ebc4644..26a8bec 100644
--- a/dlls/dbghelp/symbol.c
+++ b/dlls/dbghelp/symbol.c
@@ -1229,7 +1229,8 @@ BOOL WINAPI SymFromAddr(HANDLE hProcess, DWORD64 Address,
if ((sym = symt_find_nearest(pair.effective, Address)) == NULL) return FALSE;
symt_fill_sym_info(&pair, NULL, &sym->symt, Symbol);
- *Displacement = Address - Symbol->Address;
+ if (Displacement)
+ *Displacement = Address - Symbol->Address;
return TRUE;
}
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