[PATCH] msdmo: Also handle ERROR_SUCCESS with nonzero size from RegQueryValueExW().
Zebediah Figura
z.figura12 at gmail.com
Wed Sep 30 11:03:43 CDT 2020
Fixes: caa41d4917a84dbbeb4aa14f18cfecfd17efe71a
Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=49659
Signed-off-by: Zebediah Figura <z.figura12 at gmail.com>
---
dlls/msdmo/dmoreg.c | 16 ++++++++++------
1 file changed, 10 insertions(+), 6 deletions(-)
diff --git a/dlls/msdmo/dmoreg.c b/dlls/msdmo/dmoreg.c
index 8e0680931f4..4d8f35554fd 100644
--- a/dlls/msdmo/dmoreg.c
+++ b/dlls/msdmo/dmoreg.c
@@ -528,10 +528,12 @@ static HRESULT WINAPI IEnumDMO_fnNext(
{
DWORD size = types_size, i;
- while ((ret = RegQueryValueExW(hkey, L"InputTypes", NULL, NULL,
- (BYTE *)types, &size)) == ERROR_MORE_DATA)
+ for (;;)
{
- if (!array_reserve((void **)&types, &types_size, size, 1))
+ ret = RegQueryValueExW(hkey, L"InputTypes", NULL, NULL, (BYTE *)types, &size);
+ if (ret != ERROR_SUCCESS && ret != ERROR_MORE_DATA)
+ break;
+ if (size > types_size && !array_reserve((void **)&types, &types_size, size, 1))
{
RegCloseKey(hkey);
free(types);
@@ -559,10 +561,12 @@ static HRESULT WINAPI IEnumDMO_fnNext(
{
DWORD size = types_size, i;
- while ((ret = RegQueryValueExW(hkey, L"OutputTypes", NULL, NULL,
- (BYTE *)types, &size)) == ERROR_MORE_DATA)
+ for (;;)
{
- if (!array_reserve((void **)&types, &types_size, size, 1))
+ ret = RegQueryValueExW(hkey, L"InputTypes", NULL, NULL, (BYTE *)types, &size);
+ if (ret != ERROR_SUCCESS && ret != ERROR_MORE_DATA)
+ break;
+ if (size > types_size && !array_reserve((void **)&types, &types_size, size, 1))
{
RegCloseKey(hkey);
free(types);
--
2.28.0
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