SDL: Don't overwrite non-CRC gamepad mapping with a new mapping that specifies a CRC (ddfdb)

SDL Commits
1 
From ddfdb0ca7b46aaaf0c37e519430449236db9013e Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Thu, 26 Dec 2024 20:18:26 -0800
Subject: [PATCH] Don't overwrite non-CRC gamepad mapping with a new mapping
 that specifies a CRC

Fixes https://github.com/libsdl-org/SDL/issues/11723

(cherry picked from commit 1413bfb1850c351a889af420cda97d35af21efdd)
---
 src/joystick/SDL_gamecontroller.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/joystick/SDL_gamecontroller.c b/src/joystick/SDL_gamecontroller.c
index d3a4668a623b3..72529862a13dc 100644
--- a/src/joystick/SDL_gamecontroller.c
+++ b/src/joystick/SDL_gamecontroller.c
@@ -688,7 +688,7 @@ static ControllerMapping_t *SDL_CreateMappingForWGIController(SDL_JoystickGUID g
 /*
  * Helper function to scan the mappings database for a controller with the specified GUID
  */
-static ControllerMapping_t *SDL_PrivateMatchControllerMappingForGUID(SDL_JoystickGUID guid, SDL_bool match_version)
+static ControllerMapping_t *SDL_PrivateMatchControllerMappingForGUID(SDL_JoystickGUID guid, SDL_bool match_version, SDL_bool exact_match_crc)
 {
     ControllerMapping_t *mapping, *best_match = NULL;
     Uint16 crc = 0;
@@ -728,9 +728,10 @@ static ControllerMapping_t *SDL_PrivateMatchControllerMappingForGUID(SDL_Joystic
 
                 /* An exact match, including CRC */
                 return mapping;
+            } else if (crc && exact_match_crc) {
+                return NULL;
             }
 
-
             if (!best_match) {
                 best_match = mapping;
             }
@@ -746,7 +747,7 @@ static ControllerMapping_t *SDL_PrivateGetControllerMappingForGUID(SDL_JoystickG
 {
     ControllerMapping_t *mapping;
 
-    mapping = SDL_PrivateMatchControllerMappingForGUID(guid, SDL_TRUE);
+    mapping = SDL_PrivateMatchControllerMappingForGUID(guid, SDL_TRUE, adding_mapping);
     if (mapping) {
         return mapping;
     }
@@ -760,7 +761,7 @@ static ControllerMapping_t *SDL_PrivateGetControllerMappingForGUID(SDL_JoystickG
 
     if (SDL_JoystickGUIDUsesVersion(guid)) {
         /* Try again, ignoring the version */
-        mapping = SDL_PrivateMatchControllerMappingForGUID(guid, SDL_FALSE);
+        mapping = SDL_PrivateMatchControllerMappingForGUID(guid, SDL_FALSE, SDL_FALSE);
         if (mapping) {
             return mapping;
         }