Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Fix memory leak in realloc failure handling #22188

Merged
merged 1 commit into from
Oct 3, 2023
Merged

Fix memory leak in realloc failure handling #22188

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
7 changes: 4 additions & 3 deletions quantum/painter/lvgl/qp_lvgl.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -96,13 +96,14 @@ bool qp_lvgl_attach(painter_device_t device) {
// Set up lvgl display buffer
static lv_disp_draw_buf_t draw_buf;
// Allocate a buffer for 1/10 screen size
const size_t count_required = driver->panel_width * driver->panel_height / 10;
color_buffer = color_buffer ? realloc(color_buffer, sizeof(lv_color_t) * count_required) : malloc(sizeof(lv_color_t) * count_required);
if (!color_buffer) {
const size_t count_required = driver->panel_width * driver->panel_height / 10;
void * new_color_buffer = realloc(color_buffer, sizeof(lv_color_t) * count_required);
if (!new_color_buffer) {
qp_dprintf("qp_lvgl_attach: fail (could not set up memory buffer)\n");
qp_lvgl_detach();
return false;
}
color_buffer = new_color_buffer;
memset(color_buffer, 0, sizeof(lv_color_t) * count_required);
// Initialize the display buffer.
lv_disp_draw_buf_init(&draw_buf, color_buffer, NULL, count_required);
Expand Down