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Fix null pointer dereference

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Add null check for return values of _glfwPlatformGetTls().
This commit is contained in:
Mingjie Shen 2023-04-21 01:06:56 -04:00
parent 535680668b
commit daeacc134f
2 changed files with 7 additions and 6 deletions
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2
src/external/glfw/src/egl_context.c vendored
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@ -279,7 +279,7 @@ static GLFWglproc getProcAddressEGL(const char* procname)
{ {
_GLFWwindow* window = _glfwPlatformGetTls(&_glfw.contextSlot); _GLFWwindow* window = _glfwPlatformGetTls(&_glfw.contextSlot);
if (window->context.egl.client) if (window && window->context.egl.client)
{ {
GLFWglproc proc = (GLFWglproc) GLFWglproc proc = (GLFWglproc)
_glfwPlatformGetModuleSymbol(window->context.egl.client, procname); _glfwPlatformGetModuleSymbol(window->context.egl.client, procname);

5
src/external/glfw/src/glx_context.c vendored
View File

@ -189,14 +189,15 @@ static void swapBuffersGLX(_GLFWwindow* window)
static void swapIntervalGLX(int interval) static void swapIntervalGLX(int interval)
{ {
_GLFWwindow* window = _glfwPlatformGetTls(&_glfw.contextSlot);
if (_glfw.glx.EXT_swap_control) if (_glfw.glx.EXT_swap_control)
{ {
_GLFWwindow *window = _glfwPlatformGetTls(&_glfw.contextSlot);
if (window) {
_glfw.glx.SwapIntervalEXT(_glfw.x11.display, _glfw.glx.SwapIntervalEXT(_glfw.x11.display,
window->context.glx.window, window->context.glx.window,
interval); interval);
} }
}
else if (_glfw.glx.MESA_swap_control) else if (_glfw.glx.MESA_swap_control)
_glfw.glx.SwapIntervalMESA(interval); _glfw.glx.SwapIntervalMESA(interval);
else if (_glfw.glx.SGI_swap_control) else if (_glfw.glx.SGI_swap_control)