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[Bugfix] Check NULL pointers on QP (#20481)

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This commit is contained in:
Pablo Martínez 2023-07-07 16:51:19 +02:00 • committed by GitHub
parent 9b3ac793bc
commit d13925be9a
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GPG key ID: 4AEE18F83AFDEB23
8 changed files with 39 additions and 24 deletions
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29
quantum/painter/qp.c
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@ -30,6 +30,11 @@ bool qp_init(painter_device_t device, painter_rotation_t rotation) {
qp_dprintf("qp_init: entry\n");
painter_driver_t *driver = (painter_driver_t *)device;
if (!driver) {
qp_dprintf("qp_init: fail (pointer to NULL)\n");
return false;
}
driver->validate_ok = false;
if (!validate_driver_integrity(driver)) {
qp_dprintf("Failed to validate driver integrity in qp_init\n");
@ -65,7 +70,7 @@ bool qp_init(painter_device_t device, painter_rotation_t rotation) {
bool qp_power(painter_device_t device, bool power_on) {
qp_dprintf("qp_power: entry\n");
painter_driver_t *driver = (painter_driver_t *)device;
if (!driver->validate_ok) {
if (!driver || !driver->validate_ok) {
qp_dprintf("qp_power: fail (validation_ok == false)\n");
return false;
}
@ -87,7 +92,7 @@ bool qp_power(painter_device_t device, bool power_on) {
bool qp_clear(painter_device_t device) {
qp_dprintf("qp_clear: entry\n");
painter_driver_t *driver = (painter_driver_t *)device;
if (!driver->validate_ok) {
if (!driver || !driver->validate_ok) {
qp_dprintf("qp_clear: fail (validation_ok == false)\n");
return false;
}
@ -109,7 +114,7 @@ bool qp_clear(painter_device_t device) {
bool qp_flush(painter_device_t device) {
qp_dprintf("qp_flush: entry\n");
painter_driver_t *driver = (painter_driver_t *)device;
if (!driver->validate_ok) {
if (!driver || !driver->validate_ok) {
qp_dprintf("qp_flush: fail (validation_ok == false)\n");
return false;
}
@ -129,9 +134,14 @@ bool qp_flush(painter_device_t device) {
// Quantum Painter External API: qp_get_geometry
void qp_get_geometry(painter_device_t device, uint16_t *width, uint16_t *height, painter_rotation_t *rotation, uint16_t *offset_x, uint16_t *offset_y) {
qp_dprintf("qp_geometry: entry\n");
qp_dprintf("qp_get_geometry: entry\n");
painter_driver_t *driver = (painter_driver_t *)device;
if (!driver) {
qp_dprintf("qp_get_geometry: fail (pointer to NULL)\n");
return;
}
switch (driver->rotation) {
default:
case QP_ROTATION_0:
@ -166,7 +176,7 @@ void qp_get_geometry(painter_device_t device, uint16_t *width, uint16_t *height,
*offset_y = driver->offset_y;
}
qp_dprintf("qp_geometry: ok\n");
qp_dprintf("qp_get_geometry: ok\n");
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
@ -176,6 +186,11 @@ void qp_set_viewport_offsets(painter_device_t device, uint16_t offset_x, uint16_
qp_dprintf("qp_set_viewport_offsets: entry\n");
painter_driver_t *driver = (painter_driver_t *)device;
if (!driver) {
qp_dprintf("qp_set_viewport_offsets: fail (pointer to NULL)\n");
return;
}
driver->offset_x = offset_x;
driver->offset_y = offset_y;
@ -188,7 +203,7 @@ void qp_set_viewport_offsets(painter_device_t device, uint16_t offset_x, uint16_
bool qp_viewport(painter_device_t device, uint16_t left, uint16_t top, uint16_t right, uint16_t bottom) {
qp_dprintf("qp_viewport: entry\n");
painter_driver_t *driver = (painter_driver_t *)device;
if (!driver->validate_ok) {
if (!driver || !driver->validate_ok) {
qp_dprintf("qp_viewport: fail (validation_ok == false)\n");
return false;
}
@ -211,7 +226,7 @@ bool qp_viewport(painter_device_t device, uint16_t left, uint16_t top, uint16_t
bool qp_pixdata(painter_device_t device, const void *pixel_data, uint32_t native_pixel_count) {
qp_dprintf("qp_pixdata: entry\n");
painter_driver_t *driver = (painter_driver_t *)device;
if (!driver->validate_ok) {
if (!driver || !driver->validate_ok) {
qp_dprintf("qp_pixdata: fail (validation_ok == false)\n");
return false;
}