[PATCH 2/6] user32: Handle failure from HID APIs.

Zebediah Figura wine at gitlab.winehq.org
Wed May 25 14:35:46 CDT 2022


From: Zebediah Figura <zfigura at codeweavers.com>

---
 dlls/user32/rawinput.c | 25 +++++++++++++++++++------
 1 file changed, 19 insertions(+), 6 deletions(-)

diff --git a/dlls/user32/rawinput.c b/dlls/user32/rawinput.c
index 98f9f4ed313..08c2601181d 100644
--- a/dlls/user32/rawinput.c
+++ b/dlls/user32/rawinput.c
@@ -153,17 +153,26 @@ static struct device *add_device( HDEVINFO set, SP_DEVICE_INTERFACE_DATA *iface,
 
             attr.Size = sizeof(HIDD_ATTRIBUTES);
             if (!HidD_GetAttributes( device->file, &attr ))
-                WARN("Failed to get attributes.\n");
+            {
+                ERR( "Failed to get attributes.\n" );
+                goto fail;
+            }
 
             info.hid.dwVendorId = attr.VendorID;
             info.hid.dwProductId = attr.ProductID;
             info.hid.dwVersionNumber = attr.VersionNumber;
 
             if (!HidD_GetPreparsedData( file, &preparsed_data ))
-                WARN("Failed to get preparsed data.\n");
+            {
+                ERR( "Failed to get preparsed data.\n" );
+                goto fail;
+            }
 
             if (!HidP_GetCaps( preparsed_data, &caps ))
-                WARN("Failed to get caps.\n");
+            {
+                ERR( "Failed to get caps.\n" );
+                goto fail;
+            }
 
             info.hid.usUsagePage = caps.UsagePage;
             info.hid.usUsage = caps.Usage;
@@ -207,9 +216,7 @@ static struct device *add_device( HDEVINFO set, SP_DEVICE_INTERFACE_DATA *iface,
     else
     {
         ERR("Failed to allocate memory.\n");
-        CloseHandle(file);
-        free(detail);
-        return NULL;
+        goto fail;
     }
 
     device->detail = detail;
@@ -219,6 +226,12 @@ static struct device *add_device( HDEVINFO set, SP_DEVICE_INTERFACE_DATA *iface,
     device->data = preparsed_data;
 
     return device;
+
+fail:
+    free( preparsed_data );
+    CloseHandle( file );
+    free( detail );
+    return NULL;
 }
 
 void rawinput_update_device_list(void)
-- 
GitLab


https://gitlab.winehq.org/wine/wine/-/merge_requests/130



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