Fixed potential double-free crash

libsdl-org · Mar 6, 2009 · b87eac4 · b87eac4
1 parent e81a650
commit b87eac4
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/src/joystick/linux/SDL_sysjoystick.c b/src/joystick/linux/SDL_sysjoystick.c
@@ -1210,9 +1210,11 @@ SDL_SYS_JoystickQuit(void)
     int i;
 
     for (i = 0; SDL_joylist[i].fname; ++i) {
-        SDL_free(SDL_joylist[i].fname);
+        if (SDL_joylist[i].fname) {
+            SDL_free(SDL_joylist[i].fname);
+            SDL_joylist[i].fname = NULL;
+        }
     }
-    SDL_joylist[0].fname = NULL;
 }
 
 #endif /* SDL_JOYSTICK_LINUX */