[PATCH 1/2] hidclass.sys: Clear the buffer passed to IOCTL_HID_GET_DEVICE_DESCRIPTOR.

Rémi Bernon rbernon at codeweavers.com
Mon May 16 04:42:50 CDT 2022


Signed-off-by: Rémi Bernon <rbernon at codeweavers.com>
---

Somehow the "ok( !desc->bLength, "got size %u\n", desc->bLength );" test
at driver_bus.c:1042 managed to pass all this time, and is now failing
for me locally.

 dlls/hidclass.sys/pnp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/hidclass.sys/pnp.c b/dlls/hidclass.sys/pnp.c
index fec51af40a9..cc4e3b96c82 100644
--- a/dlls/hidclass.sys/pnp.c
+++ b/dlls/hidclass.sys/pnp.c
@@ -192,8 +192,8 @@ static void create_child(minidriver *minidriver, DEVICE_OBJECT *fdo)
 {
     BASE_DEVICE_EXTENSION *fdo_ext = fdo->DeviceExtension, *pdo_ext;
     HID_DEVICE_ATTRIBUTES attr = {0};
+    HID_DESCRIPTOR descriptor = {0};
     HIDP_COLLECTION_DESC *desc;
-    HID_DESCRIPTOR descriptor;
     DEVICE_OBJECT *child_pdo;
     BYTE *reportDescriptor;
     UNICODE_STRING string;
-- 
2.35.1




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