Eric Pouech : dbghelp: Displacements are optional.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 553798224de11f3c3fcc1571340114d18c56f9de
URL:    https://gitlab.winehq.org/wine/wine/-/commit/553798224de11f3c3fcc1571340114d...

Author: Eric Pouech 
Date:   Fri Sep  9 17:06:04 2022 +0200

dbghelp: Displacements are optional.

Signed-off-by: Eric Pouech

---

dlls/dbghelp/symbol.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dlls/dbghelp/symbol.c b/dlls/dbghelp/symbol.c
index abf6054d0ee..d019eec4e3a 100644
--- a/dlls/dbghelp/symbol.c
+++ b/dlls/dbghelp/symbol.c
@@ -1897,7 +1897,7 @@ static BOOL get_line_from_function(struct module_pair* pair, struct symt_functio
                 ret = internal_line_set_nameW(pair->pcs, intl, dospath, TRUE);
                 HeapFree( GetProcessHeap(), 0, dospath );
             }
-            if (ret) *pdwDisplacement = addr - found_dli->u.address;
+            if (ret && pdwDisplacement) *pdwDisplacement = addr - found_dli->u.address;
             return ret;
         }
     }
@@ -2684,7 +2684,7 @@ BOOL WINAPI SymFromInlineContext(HANDLE hProcess, DWORD64 addr, ULONG inline_ctx
         if (inlined)
         {
             symt_fill_sym_info(&pair, NULL, &inlined->func.symt, si);
-            *disp = addr - inlined->func.address;
+            if (disp) *disp = addr - inlined->func.address;
             return TRUE;
         }
         /* fall through */