Fix memory leak in realloc failure handling (#22188)
parent
d6b16b0df0
commit
3df155f203
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@ -96,13 +96,14 @@ bool qp_lvgl_attach(painter_device_t device) {
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// Set up lvgl display buffer
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static lv_disp_draw_buf_t draw_buf;
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// Allocate a buffer for 1/10 screen size
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const size_t count_required = driver->panel_width * driver->panel_height / 10;
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color_buffer = color_buffer ? realloc(color_buffer, sizeof(lv_color_t) * count_required) : malloc(sizeof(lv_color_t) * count_required);
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if (!color_buffer) {
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const size_t count_required = driver->panel_width * driver->panel_height / 10;
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void * new_color_buffer = realloc(color_buffer, sizeof(lv_color_t) * count_required);
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if (!new_color_buffer) {
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qp_dprintf("qp_lvgl_attach: fail (could not set up memory buffer)\n");
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qp_lvgl_detach();
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return false;
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}
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color_buffer = new_color_buffer;
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memset(color_buffer, 0, sizeof(lv_color_t) * count_required);
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// Initialize the display buffer.
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lv_disp_draw_buf_init(&draw_buf, color_buffer, NULL, count_required);
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